555 lines
12 KiB
C++
555 lines
12 KiB
C++
/********************************************************/
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/* base_screen.cpp - BASE_SCREEN object implementation. */
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/********************************************************/
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "fctsys.h"
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#include "common.h"
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#include "base_struct.h"
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#include "sch_item_struct.h"
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#include "class_base_screen.h"
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#include "id.h"
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/* Implement wxSize array for grid list implementation. */
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#include <wx/arrimpl.cpp>
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WX_DEFINE_OBJARRAY( GridArray );
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BASE_SCREEN* ActiveScreen = NULL;
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#define CURSOR_SIZE 12 /* size of the cross cursor. */
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BASE_SCREEN::BASE_SCREEN( KICAD_T aType ) : EDA_BaseStruct( aType )
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{
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EEDrawList = NULL; /* Schematic items list */
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m_UndoRedoCountMax = 10; /* undo/Redo command Max depth, 10 is a
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* reasonable value */
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m_FirstRedraw = TRUE;
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m_ScreenNumber = 1;
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m_NumberOfScreen = 1; /* Hierarchy: Root: ScreenNumber = 1 */
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m_ZoomScalar = 10;
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m_Zoom = 32 * m_ZoomScalar;
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m_Grid.m_Size = wxRealPoint( 50, 50 ); /* Default grid size */
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m_Grid.m_Id = ID_POPUP_GRID_LEVEL_50;
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m_UserGridIsON = FALSE;
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m_Center = true;
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m_CurrentSheetDesc = &g_Sheet_A4;
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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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InitDatas();
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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::InitDatas()
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{
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if( m_Center )
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{
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m_Curseur.x = m_Curseur.y = 0;
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m_DrawOrg.x = -ReturnPageSize().x / 2;
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m_DrawOrg.y = -ReturnPageSize().y / 2;
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}
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else
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{
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m_DrawOrg.x = m_DrawOrg.y = 0;
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m_Curseur.x = ReturnPageSize().x / 2;
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m_Curseur.y = ReturnPageSize().y / 2;
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}
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m_O_Curseur = m_Curseur;
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SetCurItem( NULL );
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m_FlagRefreshReq = 0; /* Redraw screen request flag */
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m_FlagModified = 0; // Set when any change is made on broad
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m_FlagSave = 1; // Used in auto save: set when an auto save is made
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}
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/**
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* Get screen units scalar.
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*
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* Default implementation returns scalar used for schematic screen. The
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* internal units used by the schematic screen is 1 mil (0.001"). Override
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* this in derived classes that require internal units other than 1 mil.
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*/
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int BASE_SCREEN::GetInternalUnits( void )
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{
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return EESCHEMA_INTERNAL_UNIT;
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}
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wxSize BASE_SCREEN::ReturnPageSize( void )
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{
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int internal_units = GetInternalUnits();
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return wxSize( ( m_CurrentSheetDesc->m_Size.x * internal_units ) / 1000,
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( m_CurrentSheetDesc->m_Size.y * internal_units ) / 1000 );
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}
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/**
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* Function CursorRealPosition
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* @return the position in user units of location ScreenPos
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* @param ScreenPos = the screen (in pixel) position co convert
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*/
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wxPoint BASE_SCREEN::CursorRealPosition( const wxPoint& ScreenPos )
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{
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wxPoint curpos = ScreenPos;
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Unscale( curpos );
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#ifndef USE_WX_ZOOM
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curpos += m_DrawOrg;
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#endif
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return curpos;
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}
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/** Function SetScalingFactor
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* calculates the .m_Zoom member to have a given scaling factor
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* @param the the current scale used to draw items on screen
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* draw coordinates are user coordinates * GetScalingFactor( )
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*/
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void BASE_SCREEN::SetScalingFactor(double aScale )
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{
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int zoom = static_cast<int>( ceil(aScale * m_ZoomScalar) );
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// Limit zoom to max and min allowed values:
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if (zoom < m_ZoomList[0])
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zoom = m_ZoomList[0];
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int idxmax = m_ZoomList.GetCount() - 1;
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if (zoom > m_ZoomList[idxmax])
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zoom = m_ZoomList[idxmax];
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SetZoom( zoom );
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}
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/**
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* Calculate coordinate value for zooming.
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*
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* Call this method when drawing on the device context. It scales the
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* coordinate using the current zoom settings. Zooming in Kicad occurs
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* by actually scaling the entire drawing using the zoom setting.
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*
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* FIXME: We should probably use wxCoord instead of int here but that would
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* require using wxCoord in all of the other code that makes device
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* context calls as well.
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*/
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int BASE_SCREEN::Scale( int coord )
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{
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#ifdef USE_WX_ZOOM
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return coord;
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#else
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if( !m_ZoomScalar || !m_Zoom )
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return coord;
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return wxRound( (double) ( coord * m_ZoomScalar ) / (double) m_Zoom );
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#endif
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}
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double BASE_SCREEN::Scale( double coord )
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{
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#ifdef USE_WX_ZOOM
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return coord;
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#else
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if( !m_Zoom )
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return 0;
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if( !m_ZoomScalar || !m_Zoom )
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return 0;
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return ( coord * (double) m_ZoomScalar ) / (double) m_Zoom;
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#endif
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}
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void BASE_SCREEN::Scale( wxPoint& pt )
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{
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pt.x = Scale( pt.x );
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pt.y = Scale( pt.y );
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}
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void BASE_SCREEN::Scale( wxRealPoint& pt )
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{
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#ifdef USE_WX_ZOOM
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// No change
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#else
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if( !m_ZoomScalar || !m_Zoom )
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return;
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pt.x = pt.x * m_ZoomScalar / (double) m_Zoom;
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pt.y = pt.y * m_ZoomScalar / (double) m_Zoom;
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#endif
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}
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void BASE_SCREEN::Scale( wxSize& sz )
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{
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sz.SetHeight( Scale( sz.GetHeight() ) );
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sz.SetWidth( Scale( sz.GetWidth() ) );
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}
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/**
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* Calculate the physical (unzoomed) location of a coordinate.
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*
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* Call this method when you want to find the unzoomed (physical) location
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* of a coordinate on the drawing.
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*/
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int BASE_SCREEN::Unscale( int coord )
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{
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#ifdef USE_WX_ZOOM
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return coord;
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#else
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if( !m_Zoom || !m_ZoomScalar )
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return 0;
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return wxRound( (double) ( coord * m_Zoom ) / (double) m_ZoomScalar );
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#endif
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}
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void BASE_SCREEN::Unscale( wxPoint& pt )
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{
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pt.x = Unscale( pt.x );
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pt.y = Unscale( pt.y );
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}
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void BASE_SCREEN::Unscale( wxSize& sz )
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{
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sz.SetHeight( Unscale( sz.GetHeight() ) );
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sz.SetWidth( Unscale( sz.GetWidth() ) );
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}
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void BASE_SCREEN::SetZoomList( const wxArrayInt& zoomlist )
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{
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if( !m_ZoomList.IsEmpty() )
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m_ZoomList.Empty();
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m_ZoomList = zoomlist;
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}
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bool BASE_SCREEN::SetFirstZoom()
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{
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if( m_ZoomList.IsEmpty() )
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{
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if( m_Zoom != m_ZoomScalar )
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{
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m_Zoom = m_ZoomScalar;
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return true;
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}
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}
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else if( m_Zoom != m_ZoomList[0] )
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{
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m_Zoom = m_ZoomList[0];
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return true;
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}
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return false;
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}
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int BASE_SCREEN::GetZoom() const
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{
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return m_Zoom;
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}
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bool BASE_SCREEN::SetZoom( int coeff )
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{
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if( coeff == m_Zoom )
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return false;
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m_Zoom = coeff;
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if( m_Zoom < 1 )
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m_Zoom = 1;
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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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size_t i;
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if( m_ZoomList.IsEmpty() || m_Zoom >= m_ZoomList.Last() )
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return false;
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for( i = 0; i < m_ZoomList.GetCount(); i++ )
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{
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if( m_Zoom < m_ZoomList[i] )
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{
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m_Zoom = 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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size_t i;
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if( m_ZoomList.IsEmpty() || m_Zoom <= m_ZoomList[0] )
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return false;
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for( i = m_ZoomList.GetCount(); 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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m_Zoom = 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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bool BASE_SCREEN::SetLastZoom()
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{
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if( m_ZoomList.IsEmpty() || m_Zoom == m_ZoomList.Last() )
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return false;
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m_Zoom = m_ZoomList.Last();
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return true;
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}
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void BASE_SCREEN::SetGridList( GridArray& gridlist )
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{
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if( !m_GridList.IsEmpty() )
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m_GridList.Clear();
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m_GridList = gridlist;
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}
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void BASE_SCREEN::SetGrid( const wxRealPoint& size )
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{
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wxASSERT( !m_GridList.IsEmpty() );
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size_t i;
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GRID_TYPE nearest_grid = m_GridList[0];
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for( i = 0; i < m_GridList.GetCount(); i++ )
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{
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if( m_GridList[i].m_Size == size )
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{
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m_Grid = m_GridList[i];
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return;
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}
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// keep trace of the nearest grill size, if the exact size is not found
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if ( size.x < m_GridList[i].m_Size.x )
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nearest_grid = m_GridList[i];
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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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}
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/* Set grid size from command ID. */
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void BASE_SCREEN::SetGrid( int id )
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{
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wxASSERT( !m_GridList.IsEmpty() );
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size_t i;
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for( i = 0; i < m_GridList.GetCount(); i++ )
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{
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if( m_GridList[i].m_Id == id )
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{
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m_Grid = m_GridList[i];
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return;
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}
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}
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m_Grid = m_GridList[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 )." ), id, m_Grid.m_Size.x,
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m_Grid.m_Size.y );
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}
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void BASE_SCREEN::AddGrid( const GRID_TYPE& grid )
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{
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size_t i;
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for( i = 0; i < m_GridList.GetCount(); i++ )
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{
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if( m_GridList[i].m_Size == grid.m_Size
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&& grid.m_Id != 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_GridList[i].m_Id == grid.m_Id )
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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_Id, m_GridList[i].m_Size.x,
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m_GridList[i].m_Size.y, grid.m_Size.x, grid.m_Size.y );
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m_GridList[i].m_Size = grid.m_Size;
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return;
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}
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}
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// wxLogDebug( wxT( "Adding grid ID %d size( %d, %d ) to grid list." ), grid.m_Id, grid.m_Size.x, grid.m_Size.y );
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m_GridList.Add( 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_Id = id;
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AddGrid( grid );
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}
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void BASE_SCREEN::AddGrid( const wxRealPoint& size, int units, int id )
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{
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double x, y;
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wxRealPoint new_size;
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GRID_TYPE new_grid;
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if( units == MILLIMETRE )
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{
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x = size.x / 25.4000508001016;
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y = size.y / 25.4000508001016;
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}
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else if( units == CENTIMETRE )
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{
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x = size.x / 2.54000508001016;
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y = size.y / 2.54000508001016;
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}
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else
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{
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x = size.x;
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y = size.y;
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}
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new_size.x = x * GetInternalUnits();
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new_size.y = y * GetInternalUnits();
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new_grid.m_Id = 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()
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{
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return m_Grid;
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}
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wxRealPoint BASE_SCREEN::GetGridSize()
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{
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return m_Grid.m_Size;
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}
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int BASE_SCREEN::GetGridId()
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{
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return m_Grid.m_Id;
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}
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/* free the undo and the redo lists
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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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/* Put aNewitem in top of undo list
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* Deletes old items if > count max.
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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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int extraitems = GetUndoCommandCount() - m_UndoRedoCountMax;
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if( extraitems > 0 ) // Delete the extra items
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ClearUndoORRedoList( m_UndoList, extraitems );
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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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int extraitems = GetRedoCommandCount() - m_UndoRedoCountMax;
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if( extraitems > 0 ) // Delete the extra items
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ClearUndoORRedoList( m_RedoList, extraitems );
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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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/**
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* Function Show
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* is used to output the object tree, currently for debugging only.
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* @param nestLevel An aid to prettier tree indenting, and is the level
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* of nesting of this object within the overall tree.
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* @param os The ostream& to output to.
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*/
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void BASE_SCREEN::Show( int nestLevel, std::ostream& os )
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{
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SCH_ITEM* item = EEDrawList;
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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() <<
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">\n";
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for( ; 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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NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str() << ">\n";
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}
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#endif
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