pcb_base_frame.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2018 Jean-Pierre Charras, [email protected]
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2011 Wayne Stambaugh <[email protected]>
 * Copyright (C) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
 * Copyright (C) 2022 CERN
 *
 * 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 <boost/version.hpp>
 
#if BOOST_VERSION >= 106700
#include <boost/uuid/entropy_error.hpp>
#endif
 
#include <kiface_base.h>
#include <confirm.h>
#include <pcb_base_frame.h>
#include <base_units.h>
#include <widgets/msgpanel.h>
#include <pgm_base.h>
#include <3d_viewer/eda_3d_viewer_frame.h> // To include VIEWER3D_FRAMENAME
#include <footprint_editor_settings.h>
#include <pcbnew_settings.h>
#include <fp_lib_table.h>
#include <pcbnew_id.h>
#include <board.h>
#include <footprint.h>
#include <collectors.h>
#include <pcb_draw_panel_gal.h>
#include <math/vector2d.h>
#include <pcb_group.h>
 
#include <pcb_painter.h>
#include <settings/settings_manager.h>
#include <settings/cvpcb_settings.h>
#include <tool/tool_manager.h>
#include <tool/tool_dispatcher.h>
#include <tools/pcb_actions.h>
#include <tool/grid_menu.h>
#include "cleanup_item.h"
#include <zoom_defines.h>
#include <ratsnest/ratsnest_view_item.h>
 
#if defined( KICAD_USE_3DCONNEXION )
#include <navlib/nl_pcbnew_plugin.h>
#endif
 
using KIGFX::RENDER_SETTINGS;
using KIGFX::PCB_RENDER_SETTINGS;
 
wxDEFINE_EVENT( BOARD_CHANGED, wxCommandEvent );
 
PCB_BASE_FRAME::PCB_BASE_FRAME( KIWAY* aKiway, wxWindow* aParent, FRAME_T aFrameType,
 const wxString& aTitle, const wxPoint& aPos, const wxSize& aSize,
 long aStyle, const wxString& aFrameName ) :
 EDA_DRAW_FRAME( aKiway, aParent, aFrameType, aTitle, aPos, aSize, aStyle, aFrameName, pcbIUScale ),
 m_pcb( nullptr ),
 m_originTransforms( *this ),
 m_spaceMouse( nullptr )
{
}
 
 
PCB_BASE_FRAME::~PCB_BASE_FRAME()
{
#if defined( KICAD_USE_3DCONNEXION )
 delete m_spaceMouse;
#endif
 
 // Ensure m_canvasType is up to date, to save it in config
 m_canvasType = GetCanvas()->GetBackend();
 
 delete m_pcb;
 m_pcb = nullptr;
}
 
 
bool PCB_BASE_FRAME::canCloseWindow( wxCloseEvent& aEvent )
{
 // Close modeless dialogs. They're trouble when they get destroyed after the frame and/or
 // board.
 wxWindow* viewer3D = Get3DViewerFrame();
 
 if( viewer3D )
 viewer3D->Close( true );
 
 // Similarly, wxConvBrokenFileNames uses some statically allocated variables that make it
 // crash when run later from a d'tor.
 Prj().Cleanup3DCache();
 
 return true;
}
 
 
void PCB_BASE_FRAME::handleActivateEvent( wxActivateEvent& aEvent )
{
 EDA_DRAW_FRAME::handleActivateEvent( aEvent );
 
#if defined( KICAD_USE_3DCONNEXION )
 if( m_spaceMouse != nullptr )
 {
 m_spaceMouse->SetFocus( aEvent.GetActive() );
 }
#endif
}
 
 
void PCB_BASE_FRAME::handleIconizeEvent( wxIconizeEvent& aEvent )
{
 EDA_DRAW_FRAME::handleIconizeEvent( aEvent );
 
#if defined( KICAD_USE_3DCONNEXION )
 if( m_spaceMouse != nullptr && aEvent.IsIconized() )
 {
 m_spaceMouse->SetFocus( false );
 }
#endif
}
 
 
EDA_3D_VIEWER_FRAME* PCB_BASE_FRAME::Get3DViewerFrame()
{
 wxWindow* frame = FindWindowByName( QUALIFIED_VIEWER3D_FRAMENAME( this ) );
 return dynamic_cast<EDA_3D_VIEWER_FRAME*>( frame );
}
 
 
void PCB_BASE_FRAME::Update3DView( bool aMarkDirty, bool aRefresh, const wxString* aTitle )
{
 EDA_3D_VIEWER_FRAME* draw3DFrame = Get3DViewerFrame();
 
 if( draw3DFrame )
 {
 if( aTitle )
 draw3DFrame->SetTitle( *aTitle );
 
 if( aMarkDirty )
 draw3DFrame->ReloadRequest();
 
 if( aRefresh )
 draw3DFrame->Redraw();
 }
}
 
 
FP_LIB_TABLE* PROJECT::PcbFootprintLibs()
{
 // This is a lazy loading function, it loads the project specific table when
 // that table is asked for, not before.
 
 FP_LIB_TABLE* tbl = (FP_LIB_TABLE*) GetElem( ELEM_FPTBL );
 
 // its gotta be NULL or a FP_LIB_TABLE, or a bug.
 wxASSERT( !tbl || tbl->Type() == FP_LIB_TABLE_T );
 
 if( !tbl )
 {
 // Stack the project specific FP_LIB_TABLE overlay on top of the global table.
 // ~FP_LIB_TABLE() will not touch the fallback table, so multiple projects may
 // stack this way, all using the same global fallback table.
 tbl = new FP_LIB_TABLE( &GFootprintTable );
 
 SetElem( ELEM_FPTBL, tbl );
 
 wxString projectFpLibTableFileName = FootprintLibTblName();
 
 try
 {
 tbl->Load( projectFpLibTableFileName );
 }
 catch( const IO_ERROR& ioe )
 {
 DisplayErrorMessage( nullptr, _( "Error loading project footprint libraries." ),
 ioe.What() );
 }
 catch( ... )
 {
 DisplayErrorMessage( nullptr, _( "Error loading project footprint library table." ) );
 }
 }
 
 return tbl;
}
 
 
void PCB_BASE_FRAME::SetBoard( BOARD* aBoard, PROGRESS_REPORTER* aReporter )
{
 if( m_pcb != aBoard )
 {
 delete m_pcb;
 m_pcb = aBoard;
 
 if( GetBoard() && GetCanvas() )
 {
 RENDER_SETTINGS* rs = GetCanvas()->GetView()->GetPainter()->GetSettings();
 
 if( rs )
 {
 rs->SetDashLengthRatio( GetBoard()->GetPlotOptions().GetDashedLineDashRatio() );
 rs->SetGapLengthRatio( GetBoard()->GetPlotOptions().GetDashedLineGapRatio() );
 }
 }
 
 wxCommandEvent e( BOARD_CHANGED );
 ProcessEventLocally( e );
 }
}
 
 
void PCB_BASE_FRAME::AddFootprintToBoard( FOOTPRINT* aFootprint )
{
 if( aFootprint )
 {
 GetBoard()->Add( aFootprint, ADD_MODE::APPEND );
 
 aFootprint->SetFlags( IS_NEW );
 aFootprint->SetPosition( wxPoint( 0, 0 ) ); // cursor in GAL may not be initialized yet
 
 // Put it on FRONT layer (note that it might be stored flipped if the lib is an archive
 // built from a board)
 if( aFootprint->IsFlipped() )
 aFootprint->Flip( aFootprint->GetPosition(), GetPcbNewSettings()->m_FlipLeftRight );
 
 // Place it in orientation 0 even if it is not saved with orientation 0 in lib (note that
 // it might be stored in another orientation if the lib is an archive built from a board)
 aFootprint->SetOrientation( ANGLE_0 );
 
 UpdateUserUnits( aFootprint );
 }
}
 
 
void PCB_BASE_FRAME::UpdateUserUnits( BOARD_ITEM* aItem, bool* aSelectedItemsModified )
{
 EDA_UNITS units = GetUserUnits();
 KIGFX::VIEW* view = GetCanvas()->GetView();
 
 INSPECTOR_FUNC inspector =
 [&]( EDA_ITEM* descendant, void* aTestData )
 {
 PCB_DIMENSION_BASE* dimension = static_cast<PCB_DIMENSION_BASE*>( descendant );
 
 if( dimension->GetUnitsMode() == DIM_UNITS_MODE::AUTOMATIC )
 {
 dimension->SetUnits( units );
 dimension->Update();
 
 if( aSelectedItemsModified && dimension->IsSelected() )
 *aSelectedItemsModified = true;
 
 view->Update( dimension );
 }
 
 return INSPECT_RESULT::CONTINUE;
 };
 
 aItem->Visit( inspector, nullptr, { PCB_DIM_ALIGNED_T,
 PCB_DIM_LEADER_T,
 PCB_DIM_ORTHOGONAL_T,
 PCB_DIM_CENTER_T,
 PCB_DIM_RADIAL_T,PCB_FP_DIM_ALIGNED_T,
 PCB_FP_DIM_LEADER_T,
 PCB_FP_DIM_ORTHOGONAL_T,
 PCB_FP_DIM_CENTER_T,
 PCB_FP_DIM_RADIAL_T } );
}
 
 
EDA_ITEM* PCB_BASE_FRAME::GetItem( const KIID& aId ) const
{
 return GetBoard()->GetItem( aId );
}
 
 
void PCB_BASE_FRAME::FocusOnItem( BOARD_ITEM* aItem, PCB_LAYER_ID aLayer )
{
 std::vector<BOARD_ITEM*> items;
 
 if( aItem )
 items.push_back( aItem );
 
 FocusOnItems( items, aLayer );
}
 
 
void PCB_BASE_FRAME::FocusOnItems( std::vector<BOARD_ITEM*> aItems, PCB_LAYER_ID aLayer )
{
 static std::vector<KIID> lastBrightenedItemIDs;
 
 BOARD_ITEM* lastItem = nullptr;
 
 for( KIID lastBrightenedItemID : lastBrightenedItemIDs )
 {
 #if BOOST_VERSION >= 106700
 try
 {
 lastItem = GetBoard()->GetItem( lastBrightenedItemID );
 }
 catch( const boost::uuids::entropy_error& )
 {
 wxLogError( wxT( "A Boost UUID entropy exception was thrown in %s:%s." ),
 __FILE__, __FUNCTION__ );
 }
 #else
 lastItem = GetBoard()->GetItem( lastBrightenedItemID );
 #endif
 
 if( lastItem && lastItem != DELETED_BOARD_ITEM::GetInstance() )
 {
 lastItem->ClearBrightened();
 
 if( lastItem->Type() == PCB_FOOTPRINT_T )
 {
 static_cast<FOOTPRINT*>( lastItem )->RunOnChildren(
 [&]( BOARD_ITEM* child )
 {
 child->ClearBrightened();
 } );
 }
 else if( lastItem->Type() == PCB_GROUP_T )
 {
 static_cast<PCB_GROUP*>( lastItem )->RunOnChildren(
 [&]( BOARD_ITEM* child )
 {
 child->ClearBrightened();
 } );
 }
 
 GetCanvas()->GetView()->Update( lastItem );
 lastBrightenedItemID = niluuid;
 GetCanvas()->Refresh();
 }
 }
 
 lastBrightenedItemIDs.clear();
 
 if( aItems.empty() )
 return;
 
 VECTOR2I focusPt;
 KIGFX::VIEW* view = GetCanvas()->GetView();
 SHAPE_POLY_SET viewportPoly( view->GetViewport() );
 
 for( wxWindow* dialog : findDialogs() )
 {
 wxPoint dialogPos = GetCanvas()->ScreenToClient( dialog->GetScreenPosition() );
 SHAPE_POLY_SET dialogPoly( BOX2D( view->ToWorld( dialogPos, true ),
 view->ToWorld( dialog->GetSize(), false ) ) );
 
 try
 {
 viewportPoly.BooleanSubtract( dialogPoly, SHAPE_POLY_SET::PM_FAST );
 }
 catch( const ClipperLib::clipperException& exc )
  {
 // This may be overkill and could be an assertion but we are more likely to
 // find any clipper errors this way.
 wxLogError( wxT( "Clipper library exception '%s' occurred." ), exc.what() );
 }
 }
 
 SHAPE_POLY_SET itemPoly, clippedPoly;
 
 for( BOARD_ITEM* item : aItems )
 {
 if( item && item != DELETED_BOARD_ITEM::GetInstance() )
 {
 item->SetBrightened();
 
 if( item->Type() == PCB_FOOTPRINT_T )
 {
 static_cast<FOOTPRINT*>( item )->RunOnChildren(
 [&]( BOARD_ITEM* child )
 {
 child->SetBrightened();
 });
 }
 else if( item->Type() == PCB_GROUP_T )
 {
 static_cast<PCB_GROUP*>( item )->RunOnChildren(
 [&]( BOARD_ITEM* child )
 {
 child->SetBrightened();
 });
 }
 
 GetCanvas()->GetView()->Update( item );
 lastBrightenedItemIDs.push_back( item->m_Uuid );
 
 // Focus on the object's location. Prefer a visible part of the object to its anchor
 // in order to keep from scrolling around.
 
 focusPt = item->GetPosition();
 
 if( aLayer == UNDEFINED_LAYER )
 aLayer = item->GetLayerSet().Seq()[0];
 
 switch( item->Type() )
 {
 case PCB_FOOTPRINT_T:
 try
 {
 itemPoly = static_cast<FOOTPRINT*>( item )->GetBoundingHull();
 }
 catch( const ClipperLib::clipperException& exc )
 {
 // This may be overkill and could be an assertion but we are more likely to
 // find any clipper errors this way.
 wxLogError( wxT( "Clipper library exception '%s' occurred." ), exc.what() );
 }
 
 break;
 
 case PCB_PAD_T:
 case PCB_MARKER_T:
 case PCB_VIA_T:
 FocusOnLocation( item->GetFocusPosition() );
 GetCanvas()->Refresh();
 return;
 
 case PCB_SHAPE_T:
 case PCB_TEXT_T:
 case PCB_TEXTBOX_T:
 case PCB_FP_TEXT_T:
 case PCB_FP_TEXTBOX_T:
 case PCB_FP_SHAPE_T:
 case PCB_FP_ZONE_T:
 case PCB_TRACE_T:
 case PCB_ARC_T:
 case PCB_DIM_ALIGNED_T:
 case PCB_DIM_LEADER_T:
 case PCB_DIM_CENTER_T:
 case PCB_DIM_RADIAL_T:
 case PCB_DIM_ORTHOGONAL_T:
 case PCB_FP_DIM_ALIGNED_T:
 case PCB_FP_DIM_LEADER_T:
 case PCB_FP_DIM_CENTER_T:
 case PCB_FP_DIM_RADIAL_T:
 case PCB_FP_DIM_ORTHOGONAL_T:
 item->TransformShapeToPolygon( itemPoly, aLayer, 0, pcbIUScale.mmToIU( 0.1 ),
 ERROR_INSIDE );
 break;
 
 case PCB_ZONE_T:
 {
 ZONE* zone = static_cast<ZONE*>( item );
 #if 0
 // Using the filled area shapes to find a Focus point can give good results, but
 // unfortunately the calculations are highly time consuming, even for not very
 // large areas (can be easily a few minutes for large areas).
 // so we used only the zone outline that usually do not have too many vertices.
 zone->TransformShapeToPolygon( itemPoly, aLayer, 0, pcbIUScale.mmToIU( 0.1 ),
 ERROR_INSIDE );
 
 if( itemPoly.IsEmpty() )
 itemPoly = *zone->Outline();
 #else
 // much faster calculation time when using only the zone outlines
 itemPoly = *zone->Outline();
 #endif
 
 break;
 }
 
 default:
 {
 BOX2I item_bbox = item->GetBoundingBox();
 itemPoly.NewOutline();
 itemPoly.Append( item_bbox.GetOrigin() );
 itemPoly.Append( item_bbox.GetOrigin() + VECTOR2I( item_bbox.GetWidth(), 0 ) );
 itemPoly.Append( item_bbox.GetOrigin() + VECTOR2I( 0, item_bbox.GetHeight() ) );
 itemPoly.Append( item_bbox.GetOrigin() + VECTOR2I( item_bbox.GetWidth(),
  item_bbox.GetHeight() ) );
 break;
 }
 }
 
 try
 {
 clippedPoly.BooleanIntersection( itemPoly, viewportPoly, SHAPE_POLY_SET::PM_FAST );
 }
 catch( const ClipperLib::clipperException& exc )
 {
 // This may be overkill and could be an assertion but we are more likely to
 // find any clipper errors this way.
 wxLogError( wxT( "Clipper library exception '%s' occurred." ), exc.what() );
 }
 
 if( !clippedPoly.IsEmpty() )
 itemPoly = clippedPoly;
 }
 }
 
 /*
 * Perform a step-wise deflate to find the visual-center-of-mass
 */
 
 BOX2I bbox = itemPoly.BBox();
 int step = std::min( bbox.GetWidth(), bbox.GetHeight() ) / 10;
 
 while( !itemPoly.IsEmpty() )
 {
 focusPt = itemPoly.BBox().Centre();
 
 try
 {
 itemPoly.Deflate( step, 4, SHAPE_POLY_SET::CHAMFER_ACUTE_CORNERS );
 }
 catch( const ClipperLib::clipperException& exc )
 {
 // This may be overkill and could be an assertion but we are more likely to
 // find any clipper errors this way.
 wxLogError( wxT( "Clipper library exception '%s' occurred." ), exc.what() );
 }
 }
 
 FocusOnLocation( focusPt );
 
 GetCanvas()->Refresh();
}
 
 
void PCB_BASE_FRAME::HideSolderMask()
{
 KIGFX::PCB_VIEW* view = GetCanvas()->GetView();
 
 if( view && GetBoard()->m_SolderMask && view->HasItem( GetBoard()->m_SolderMask ) )
 view->Remove( GetBoard()->m_SolderMask );
}
 
 
void PCB_BASE_FRAME::ShowSolderMask()
{
 KIGFX::PCB_VIEW* view = GetCanvas()->GetView();
 
 if( view && GetBoard()->m_SolderMask )
 {
 if( view->HasItem( GetBoard()->m_SolderMask ) )
 view->Remove( GetBoard()->m_SolderMask );
 
 view->Add( GetBoard()->m_SolderMask );
 }
}
 
 
void PCB_BASE_FRAME::SetPageSettings( const PAGE_INFO& aPageSettings )
{
 m_pcb->SetPageSettings( aPageSettings );
 
 if( GetScreen() )
 GetScreen()->InitDataPoints( aPageSettings.GetSizeIU( pcbIUScale.IU_PER_MILS ) );
}
 
 
const PAGE_INFO& PCB_BASE_FRAME::GetPageSettings() const
{
 return m_pcb->GetPageSettings();
}
 
 
const wxSize PCB_BASE_FRAME::GetPageSizeIU() const
{
 // this function is only needed because EDA_DRAW_FRAME is not compiled
 // with either -DPCBNEW or -DEESCHEMA, so the virtual is used to route
 // into an application specific source file.
 return m_pcb->GetPageSettings().GetSizeIU( pcbIUScale.IU_PER_MILS );
}
 
 
const VECTOR2I& PCB_BASE_FRAME::GetGridOrigin() const
{
 return m_pcb->GetDesignSettings().GetGridOrigin();
}
 
 
void PCB_BASE_FRAME::SetGridOrigin( const VECTOR2I& aPoint )
{
 m_pcb->GetDesignSettings().SetGridOrigin( aPoint );
}
 
 
const VECTOR2I& PCB_BASE_FRAME::GetAuxOrigin() const
{
 return m_pcb->GetDesignSettings().GetAuxOrigin();
}
 
 
const VECTOR2I PCB_BASE_FRAME::GetUserOrigin() const
{
 VECTOR2I origin( 0, 0 );
 
 switch( GetPcbNewSettings()->m_Display.m_DisplayOrigin )
 {
 case PCB_DISPLAY_ORIGIN::PCB_ORIGIN_PAGE: break;
 case PCB_DISPLAY_ORIGIN::PCB_ORIGIN_AUX: origin = GetAuxOrigin(); break;
 case PCB_DISPLAY_ORIGIN::PCB_ORIGIN_GRID: origin = GetGridOrigin(); break;
 default: wxASSERT( false ); break;
 }
 
 return origin;
}
 
ORIGIN_TRANSFORMS& PCB_BASE_FRAME::GetOriginTransforms()
{
 return m_originTransforms;
}
 
 
const TITLE_BLOCK& PCB_BASE_FRAME::GetTitleBlock() const
{
 return m_pcb->GetTitleBlock();
}
 
 
void PCB_BASE_FRAME::SetTitleBlock( const TITLE_BLOCK& aTitleBlock )
{
 m_pcb->SetTitleBlock( aTitleBlock );
}
 
 
BOARD_DESIGN_SETTINGS& PCB_BASE_FRAME::GetDesignSettings() const
{
 return m_pcb->GetDesignSettings();
}
 
 
void PCB_BASE_FRAME::SetDrawBgColor( const COLOR4D& aColor )
{
 m_drawBgColor= aColor;
 m_auimgr.Update();
}
 
 
const ZONE_SETTINGS& PCB_BASE_FRAME::GetZoneSettings() const
{
 return m_pcb->GetDesignSettings().GetDefaultZoneSettings();
}
 
 
void PCB_BASE_FRAME::SetZoneSettings( const ZONE_SETTINGS& aSettings )
{
 m_pcb->GetDesignSettings().SetDefaultZoneSettings( aSettings );
}
 
 
const PCB_PLOT_PARAMS& PCB_BASE_FRAME::GetPlotSettings() const
{
 return m_pcb->GetPlotOptions();
}
 
 
void PCB_BASE_FRAME::SetPlotSettings( const PCB_PLOT_PARAMS& aSettings )
{
 m_pcb->SetPlotOptions( aSettings );
}
 
 
BOX2I PCB_BASE_FRAME::GetBoardBoundingBox( bool aBoardEdgesOnly ) const
{
 BOX2I area = aBoardEdgesOnly ? m_pcb->GetBoardEdgesBoundingBox() : m_pcb->GetBoundingBox();
 
 if( area.GetWidth() == 0 && area.GetHeight() == 0 )
 {
 wxSize pageSize = GetPageSizeIU();
 
 if( m_showBorderAndTitleBlock )
 {
 area.SetOrigin( 0, 0 );
 area.SetEnd( pageSize.x, pageSize.y );
 }
 else
 {
 area.SetOrigin( -pageSize.x / 2, -pageSize.y / 2 );
 area.SetEnd( pageSize.x / 2, pageSize.y / 2 );
 }
 }
 
 return area;
}
 
 
// Virtual function
void PCB_BASE_FRAME::doReCreateMenuBar()
{
}
 
 
void PCB_BASE_FRAME::ShowChangedLanguage()
{
 // call my base class
 EDA_DRAW_FRAME::ShowChangedLanguage();
 
 // tooltips in toolbars
 RecreateToolbars();
}
 
 
EDA_3D_VIEWER_FRAME* PCB_BASE_FRAME::CreateAndShow3D_Frame()
{
 EDA_3D_VIEWER_FRAME* draw3DFrame = Get3DViewerFrame();
 
 if( !draw3DFrame )
 draw3DFrame = new EDA_3D_VIEWER_FRAME( &Kiway(), this, _( "3D Viewer" ) );
 
 // Raising the window does not show the window on Windows if iconized. This should work
 // on any platform.
 if( draw3DFrame->IsIconized() )
 draw3DFrame->Iconize( false );
 
 draw3DFrame->Raise();
 draw3DFrame->Show( true );
 
 // Raising the window does not set the focus on Linux. This should work on any platform.
 if( wxWindow::FindFocus() != draw3DFrame )
 draw3DFrame->SetFocus();
 
 // Allocate a slice of time to display the 3D frame
 // a call to wxSafeYield() should be enough (and better), but on Linux we need
 // to call wxYield()
 // otherwise the activity messages are not displayed during the first board loading
 wxYield();
 
 // Note, the caller is responsible to load/update the board 3D view.
 // after frame creation the board is not automatically created.
 
 return draw3DFrame;
}
 
 
void PCB_BASE_FRAME::SwitchLayer( PCB_LAYER_ID layer )
{
 PCB_LAYER_ID preslayer = GetActiveLayer();
 auto& displ_opts = GetDisplayOptions();
 
 // Check if the specified layer matches the present layer
 if( layer == preslayer )
 return;
 
 // Copper layers cannot be selected unconditionally; how many of those layers are
 // currently enabled needs to be checked.
 if( IsCopperLayer( layer ) )
 {
 // If only one copper layer is enabled, the only such layer that can be selected to
 // is the "Copper" layer (so the selection of any other copper layer is disregarded).
 if( m_pcb->GetCopperLayerCount() < 2 )
 {
 if( layer != B_Cu )
 return;
 }
 
 // If more than one copper layer is enabled, the "Copper" and "Component" layers
 // can be selected, but the total number of copper layers determines which internal
 // layers are also capable of being selected.
 else
 {
 if( layer != B_Cu && layer != F_Cu && layer >= ( m_pcb->GetCopperLayerCount() - 1 ) )
 return;
 }
 }
 
 // Is yet more checking required? E.g. when the layer to be selected is a non-copper
 // layer, or when switching between a copper layer and a non-copper layer, or vice-versa?
 // ...
 
 SetActiveLayer( layer );
 
 if( displ_opts.m_ContrastModeDisplay != HIGH_CONTRAST_MODE::NORMAL )
 GetCanvas()->Refresh();
}
 
 
GENERAL_COLLECTORS_GUIDE PCB_BASE_FRAME::GetCollectorsGuide()
{
 GENERAL_COLLECTORS_GUIDE guide( m_pcb->GetVisibleLayers(), GetActiveLayer(),
 GetCanvas()->GetView() );
 
 // account for the globals
 guide.SetIgnoreMTextsMarkedNoShow( ! m_pcb->IsElementVisible( LAYER_MOD_TEXT_INVISIBLE ) );
 guide.SetIgnoreMTextsOnBack( ! m_pcb->IsElementVisible( LAYER_MOD_TEXT ) );
 guide.SetIgnoreMTextsOnFront( ! m_pcb->IsElementVisible( LAYER_MOD_TEXT ) );
 guide.SetIgnoreModulesOnBack( ! m_pcb->IsElementVisible( LAYER_MOD_BK ) );
 guide.SetIgnoreModulesOnFront( ! m_pcb->IsElementVisible( LAYER_MOD_FR ) );
 guide.SetIgnorePadsOnBack( ! m_pcb->IsElementVisible( LAYER_PAD_BK ) );
 guide.SetIgnorePadsOnFront( ! m_pcb->IsElementVisible( LAYER_PAD_FR ) );
 guide.SetIgnoreThroughHolePads( ! m_pcb->IsElementVisible( LAYER_PADS_TH ) );
 guide.SetIgnoreModulesVals( ! m_pcb->IsElementVisible( LAYER_MOD_VALUES ) );
 guide.SetIgnoreModulesRefs( ! m_pcb->IsElementVisible( LAYER_MOD_REFERENCES ) );
 guide.SetIgnoreThroughVias( ! m_pcb->IsElementVisible( LAYER_VIAS ) );
 guide.SetIgnoreBlindBuriedVias( ! m_pcb->IsElementVisible( LAYER_VIAS ) );
 guide.SetIgnoreMicroVias( ! m_pcb->IsElementVisible( LAYER_VIAS ) );
 guide.SetIgnoreTracks( ! m_pcb->IsElementVisible( LAYER_TRACKS ) );
 
 return guide;
}
 
 
void PCB_BASE_FRAME::DisplayGridMsg()
{
 VECTOR2D gridSize = GetCanvas()->GetGAL()->GetGridSize();
 wxString line;
 
 line.Printf( wxT( "grid X %s Y %s" ),
 MessageTextFromValue( gridSize.x, false ),
 MessageTextFromValue( gridSize.y, false ) );
 
 SetStatusText( line, 4 );
}
 
 
void PCB_BASE_FRAME::UpdateStatusBar()
{
 EDA_DRAW_FRAME::UpdateStatusBar();
 
 BASE_SCREEN* screen = GetScreen();
 
 if( !screen )
 return;
 
 wxString line;
 VECTOR2D cursorPos = GetCanvas()->GetViewControls()->GetCursorPosition();
 
 if( GetShowPolarCoords() ) // display polar coordinates
 {
 double dx = cursorPos.x - screen->m_LocalOrigin.x;
 double dy = cursorPos.y - screen->m_LocalOrigin.y;
 double theta = RAD2DEG( atan2( -dy, dx ) );
 double ro = hypot( dx, dy );
 
 line.Printf( wxT( "r %s theta %.3f" ),
 MessageTextFromValue( ro, false ),
 theta );
 
 SetStatusText( line, 3 );
 }
 
 // Transform absolute coordinates for user origin preferences
 double userXpos = m_originTransforms.ToDisplayAbsX( static_cast<double>( cursorPos.x ) );
 double userYpos = m_originTransforms.ToDisplayAbsY( static_cast<double>( cursorPos.y ) );
 
 // Display absolute coordinates:
 line.Printf( wxT( "X %s Y %s" ),
 MessageTextFromValue( userXpos, false ),
 MessageTextFromValue( userYpos, false ) );
 SetStatusText( line, 2 );
 
 if( !GetShowPolarCoords() ) // display relative cartesian coordinates
 {
 // Calculate relative coordinates
 double relXpos = cursorPos.x - screen->m_LocalOrigin.x;
 double relYpos = cursorPos.y - screen->m_LocalOrigin.y;
 
 // Transform relative coordinates for user origin preferences
 userXpos = m_originTransforms.ToDisplayRelX( relXpos );
 userYpos = m_originTransforms.ToDisplayRelY( relYpos );
 
 line.Printf( wxT( "dx %s dy %s dist %s" ),
 MessageTextFromValue( userXpos, false ),
 MessageTextFromValue( userYpos, false ),
 MessageTextFromValue( hypot( userXpos, userYpos ), false ) );
 SetStatusText( line, 3 );
 }
 
 DisplayGridMsg();
}
 
 
void PCB_BASE_FRAME::unitsChangeRefresh()
{
 EDA_DRAW_FRAME::unitsChangeRefresh(); // Update the status bar.
 
 UpdateGridSelectBox();
}
 
 
void PCB_BASE_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
{
 EDA_DRAW_FRAME::LoadSettings( aCfg );
 
 if( aCfg->m_Window.grid.sizes.empty() )
 aCfg->m_Window.grid.sizes = aCfg->DefaultGridSizeList();
 
 // Currently values read from config file are not used because the user cannot
 // change this config
 // if( aCfg->m_Window.zoom_factors.empty() )
 {
 aCfg->m_Window.zoom_factors = { ZOOM_LIST_PCBNEW };
 }
 
 // Some, but not all, derived classes have a PCBNEW_SETTINGS.
 if( PCBNEW_SETTINGS* pcbnew_cfg = dynamic_cast<PCBNEW_SETTINGS*>( aCfg ) )
 m_polarCoords = pcbnew_cfg->m_PolarCoords;
 
 wxASSERT( GetCanvas() );
 
 if( GetCanvas() )
 {
 RENDER_SETTINGS* rs = GetCanvas()->GetView()->GetPainter()->GetSettings();
 
 if( rs )
 {
 rs->SetHighlightFactor( aCfg->m_Graphics.highlight_factor );
 rs->SetSelectFactor( aCfg->m_Graphics.select_factor );
 rs->SetDefaultFont( wxEmptyString ); // Always the KiCad font for PCBs
 }
 }
}
 
 
SEVERITY PCB_BASE_FRAME::GetSeverity( int aErrorCode ) const
{
 if( aErrorCode >= CLEANUP_FIRST )
 return RPT_SEVERITY_ACTION;
 
 BOARD_DESIGN_SETTINGS& bds = GetBoard()->GetDesignSettings();
 
 return bds.m_DRCSeverities[ aErrorCode ];
}
 
 
void PCB_BASE_FRAME::SaveSettings( APP_SETTINGS_BASE* aCfg )
{
 EDA_DRAW_FRAME::SaveSettings( aCfg );
 
 // Some, but not all derived classes have a PCBNEW_SETTINGS.
 PCBNEW_SETTINGS* cfg = dynamic_cast<PCBNEW_SETTINGS*>( aCfg );
 
 if( cfg )
 cfg->m_PolarCoords = m_polarCoords;
}
 
 
PCBNEW_SETTINGS* PCB_BASE_FRAME::GetPcbNewSettings() const
{
 return Pgm().GetSettingsManager().GetAppSettings<PCBNEW_SETTINGS>();
}
 
 
FOOTPRINT_EDITOR_SETTINGS* PCB_BASE_FRAME::GetFootprintEditorSettings() const
{
 return Pgm().GetSettingsManager().GetAppSettings<FOOTPRINT_EDITOR_SETTINGS>();
}
 
 
PCB_VIEWERS_SETTINGS_BASE* PCB_BASE_FRAME::GetViewerSettingsBase() const
{
 switch( GetFrameType() )
 {
 case FRAME_PCB_EDITOR:
 case FRAME_FOOTPRINT_EDITOR:
 case FRAME_FOOTPRINT_WIZARD:
 case FRAME_PCB_DISPLAY3D:
 default:
 return Pgm().GetSettingsManager().GetAppSettings<PCBNEW_SETTINGS>();
 
 case FRAME_FOOTPRINT_VIEWER:
 case FRAME_FOOTPRINT_VIEWER_MODAL:
 case FRAME_FOOTPRINT_PREVIEW:
 case FRAME_CVPCB:
 case FRAME_CVPCB_DISPLAY:
 return Pgm().GetSettingsManager().GetAppSettings<CVPCB_SETTINGS>();
 }
}
 
 
MAGNETIC_SETTINGS* PCB_BASE_FRAME::GetMagneticItemsSettings()
{
 return &GetPcbNewSettings()->m_MagneticItems;
}
 
 
void PCB_BASE_FRAME::CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVarsChanged )
{
 EDA_DRAW_FRAME::CommonSettingsChanged( aEnvVarsChanged, aTextVarsChanged );
 
 RENDER_SETTINGS* settings = GetCanvas()->GetView()->GetPainter()->GetSettings();
 PCB_RENDER_SETTINGS* renderSettings = static_cast<KIGFX::PCB_RENDER_SETTINGS*>( settings );
 
 renderSettings->LoadColors( GetColorSettings( true ) );
 renderSettings->LoadDisplayOptions( GetDisplayOptions() );
 
 // Note: KIGFX::REPAINT isn't enough for things that go from invisible to visible as
 // they won't be found in the view layer's itemset for re-painting.
 GetCanvas()->GetView()->UpdateAllItemsConditionally(
 [&]( KIGFX::VIEW_ITEM* aItem ) -> int
 {
 if( dynamic_cast<RATSNEST_VIEW_ITEM*>( aItem ) )
 {
 return KIGFX::ALL; // ratsnest display
 }
 else if( dynamic_cast<PCB_TRACK*>( aItem ) )
 {
 return KIGFX::REPAINT; // track, arc & via clearance display
 }
 else if( dynamic_cast<PAD*>( aItem ) )
 {
 return KIGFX::REPAINT; // pad clearance display
 }
 
 return 0;
 } );
 
 GetCanvas()->GetView()->UpdateAllItems( KIGFX::COLOR );
 
 RecreateToolbars();
 
 // The 3D viewer isn't in the Kiway, so send its update manually
 EDA_3D_VIEWER_FRAME* viewer = Get3DViewerFrame();
 
 if( viewer )
 viewer->CommonSettingsChanged( aEnvVarsChanged, aTextVarsChanged );
}
 
 
void PCB_BASE_FRAME::OnModify()
{
 EDA_BASE_FRAME::OnModify();
 
 GetScreen()->SetContentModified();
 m_autoSaveRequired = true;
 
 GetBoard()->IncrementTimeStamp();
 
 UpdateStatusBar();
 UpdateMsgPanel();
}
 
 
void PCB_BASE_FRAME::rebuildConnectivity()
{
 GetBoard()->BuildConnectivity();
 GetToolManager()->PostEvent( EVENTS::ConnectivityChangedEvent );
 GetCanvas()->RedrawRatsnest();
}
 
 
PCB_DRAW_PANEL_GAL* PCB_BASE_FRAME::GetCanvas() const
{
 return static_cast<PCB_DRAW_PANEL_GAL*>( EDA_DRAW_FRAME::GetCanvas() );
}
 
 
void PCB_BASE_FRAME::ActivateGalCanvas()
{
 EDA_DRAW_FRAME::ActivateGalCanvas();
 
 EDA_DRAW_PANEL_GAL* canvas = GetCanvas();
 KIGFX::VIEW* view = canvas->GetView();
 
 if( m_toolManager )
 {
 m_toolManager->SetEnvironment( m_pcb, view, canvas->GetViewControls(), config(), this );
 
 m_toolManager->ResetTools( TOOL_BASE::GAL_SWITCH );
 }
 
 KIGFX::PCB_PAINTER* painter = static_cast<KIGFX::PCB_PAINTER*>( view->GetPainter() );
 KIGFX::PCB_RENDER_SETTINGS* settings = painter->GetSettings();
 const PCB_DISPLAY_OPTIONS& displ_opts = GetDisplayOptions();
 
 settings->LoadDisplayOptions( displ_opts );
 settings->LoadColors( GetColorSettings() );
 
 view->RecacheAllItems();
 canvas->SetEventDispatcher( m_toolDispatcher );
 canvas->StartDrawing();
 
#if defined( KICAD_USE_3DCONNEXION )
 try
 {
 if( m_spaceMouse == nullptr )
 {
 m_spaceMouse = new NL_PCBNEW_PLUGIN( GetCanvas() );
 }
 }
 catch( const std::system_error& e )
 {
 wxLogTrace( wxT( "KI_TRACE_NAVLIB" ), e.what() );
 }
#endif
}
 
 
void PCB_BASE_FRAME::SetDisplayOptions( const PCB_DISPLAY_OPTIONS& aOptions, bool aRefresh )
{
 bool hcChanged = m_displayOptions.m_ContrastModeDisplay != aOptions.m_ContrastModeDisplay;
 bool hcVisChanged = m_displayOptions.m_ContrastModeDisplay == HIGH_CONTRAST_MODE::HIDDEN
 || aOptions.m_ContrastModeDisplay == HIGH_CONTRAST_MODE::HIDDEN;
 m_displayOptions = aOptions;
 
 EDA_DRAW_PANEL_GAL* canvas = GetCanvas();
 KIGFX::PCB_VIEW* view = static_cast<KIGFX::PCB_VIEW*>( canvas->GetView() );
 
 view->UpdateDisplayOptions( aOptions );
 canvas->SetHighContrastLayer( GetActiveLayer() );
 OnDisplayOptionsChanged();
 
 // Vias on a restricted layer set must be redrawn when high contrast mode is changed
 if( hcChanged )
 {
 // Note: KIGFX::REPAINT isn't enough for things that go from invisible to visible as
 // they won't be found in the view layer's itemset for re-painting.
 GetCanvas()->GetView()->UpdateAllItemsConditionally(
 [&]( KIGFX::VIEW_ITEM* aItem ) -> int
 {
 if( PCB_VIA* via = dynamic_cast<PCB_VIA*>( aItem ) )
 {
 if( via->GetViaType() == VIATYPE::BLIND_BURIED
 || via->GetViaType() == VIATYPE::MICROVIA
 || via->GetRemoveUnconnected() )
 {
 return hcVisChanged ? KIGFX::ALL : KIGFX::REPAINT;
 }
 }
 else if( PAD* pad = dynamic_cast<PAD*>( aItem ) )
 {
 if( pad->GetRemoveUnconnected() )
 return hcVisChanged ? KIGFX::ALL : KIGFX::REPAINT;
 }
 
 return 0;
 } );
 }
 
 if( aRefresh )
 canvas->Refresh();
}