dialog_pad_properties.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2013 Dick Hollenbeck, [email protected]
 * Copyright (C) 2008-2013 Wayne Stambaugh <[email protected]>
 * Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * 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 <base_units.h>
#include <bitmaps.h>
#include <board_commit.h>
#include <board.h>
#include <board_design_settings.h>
#include <footprint.h>
#include <confirm.h>
#include <core/arraydim.h>
#include <convert_basic_shapes_to_polygon.h> // for enum RECT_CHAMFER_POSITIONS definition
#include <geometry/shape_segment.h>
#include <dialog_pad_properties.h>
#include <gal/graphics_abstraction_layer.h>
#include <dialogs/html_message_box.h>
#include <macros.h>
#include <pad.h>
#include <pcb_base_frame.h>
#include <footprint_edit_frame.h>
#include <pcb_painter.h>
#include <pcbnew_settings.h>
#include <settings/color_settings.h>
#include <view/view_controls.h>
#include <widgets/net_selector.h>
#include <tool/tool_manager.h>
#include <tools/pad_tool.h>
#include <advanced_config.h> // for pad property feature management
#include <wx/choicdlg.h>


// list of pad shapes, ordered like the pad shape wxChoice in dialog.
static PAD_SHAPE code_shape[] =
{
 PAD_SHAPE::CIRCLE,
 PAD_SHAPE::OVAL,
 PAD_SHAPE::RECT,
 PAD_SHAPE::TRAPEZOID,
 PAD_SHAPE::ROUNDRECT,
 PAD_SHAPE::CHAMFERED_RECT,
 PAD_SHAPE::CHAMFERED_RECT, // choice = CHOICE_SHAPE_CHAMFERED_ROUNDED_RECT
 PAD_SHAPE::CUSTOM, // choice = CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR
 PAD_SHAPE::CUSTOM // choice = PAD_SHAPE::CUSTOM_RECT_ANCHOR
};


// the ordered index of the pad shape wxChoice in dialog.
// keep it consistent with code_shape[] and dialog strings
enum CODE_CHOICE
{
 CHOICE_SHAPE_CIRCLE = 0,
 CHOICE_SHAPE_OVAL,
 CHOICE_SHAPE_RECT,
 CHOICE_SHAPE_TRAPEZOID,
 CHOICE_SHAPE_ROUNDRECT,
 CHOICE_SHAPE_CHAMFERED_RECT,
 CHOICE_SHAPE_CHAMFERED_ROUNDED_RECT,
 CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR,
 CHOICE_SHAPE_CUSTOM_RECT_ANCHOR
};


static PAD_ATTRIB code_type[] =
{
 PAD_ATTRIB::PTH,
 PAD_ATTRIB::SMD,
 PAD_ATTRIB::CONN,
 PAD_ATTRIB::NPTH,
 PAD_ATTRIB::SMD // Aperture pad :type SMD with no copper layers,
 // only on tech layers (usually only on paste layer
};


// These define have the same value as the m_PadType wxChoice GetSelected() return value
#define PTH_DLG_TYPE 0
#define SMD_DLG_TYPE 1
#define CONN_DLG_TYPE 2
#define NPTH_DLG_TYPE 3
#define APERTURE_DLG_TYPE 4


void PCB_BASE_FRAME::ShowPadPropertiesDialog( PAD* aPad )
{
 DIALOG_PAD_PROPERTIES dlg( this, aPad );

 dlg.ShowQuasiModal();
}


DIALOG_PAD_PROPERTIES::DIALOG_PAD_PROPERTIES( PCB_BASE_FRAME* aParent, PAD* aPad ) :
 DIALOG_PAD_PROPERTIES_BASE( aParent ),
 m_parent( aParent ),
 m_canUpdate( false ),
 m_posX( aParent, m_posXLabel, m_posXCtrl, m_posXUnits ),
 m_posY( aParent, m_posYLabel, m_posYCtrl, m_posYUnits ),
 m_sizeX( aParent, m_sizeXLabel, m_sizeXCtrl, m_sizeXUnits ),
 m_sizeY( aParent, m_sizeYLabel, m_sizeYCtrl, m_sizeYUnits ),
 m_offsetX( aParent, m_offsetXLabel, m_offsetXCtrl, m_offsetXUnits ),
 m_offsetY( aParent, m_offsetYLabel, m_offsetYCtrl, m_offsetYUnits ),
 m_padToDie( aParent, m_padToDieLabel, m_padToDieCtrl, m_padToDieUnits ),
 m_trapDelta( aParent, m_trapDeltaLabel, m_trapDeltaCtrl, m_trapDeltaUnits ),
 m_cornerRadius( aParent, m_cornerRadiusLabel, m_cornerRadiusCtrl, m_cornerRadiusUnits ),
 m_cornerRatio( aParent, m_cornerRatioLabel, m_cornerRatioCtrl, m_cornerRatioUnits ),
 m_chamferRatio( aParent, m_chamferRatioLabel, m_chamferRatioCtrl, m_chamferRatioUnits ),
 m_mixedCornerRatio( aParent, m_mixedCornerRatioLabel, m_mixedCornerRatioCtrl,
 m_mixedCornerRatioUnits ),
 m_mixedChamferRatio( aParent, m_mixedChamferRatioLabel, m_mixedChamferRatioCtrl,
 m_mixedChamferRatioUnits ),
 m_holeX( aParent, m_holeXLabel, m_holeXCtrl, m_holeXUnits ),
 m_holeY( aParent, m_holeYLabel, m_holeYCtrl, m_holeYUnits ),
 m_clearance( aParent, m_clearanceLabel, m_clearanceCtrl, m_clearanceUnits ),
 m_maskMargin( aParent, m_maskMarginLabel, m_maskMarginCtrl, m_maskMarginUnits ),
 m_pasteMargin( aParent, m_pasteMarginLabel, m_pasteMarginCtrl, m_pasteMarginUnits ),
 m_pasteMarginRatio( aParent, m_pasteMarginRatioLabel, m_pasteMarginRatioCtrl,
 m_pasteMarginRatioUnits ),
 m_spokeWidth( aParent, m_spokeWidthLabel, m_spokeWidthCtrl, m_spokeWidthUnits ),
 m_thermalGap( aParent, m_thermalGapLabel, m_thermalGapCtrl, m_thermalGapUnits ),
 m_pad_orientation( aParent, m_PadOrientText, m_cb_padrotation, m_orientationUnits )
{
 SetName( PAD_PROPERTIES_DLG_NAME );
 m_isFpEditor = dynamic_cast<FOOTPRINT_EDIT_FRAME*>( aParent ) != nullptr;

 m_currentPad = aPad; // aPad can be NULL, if the dialog is called
 // from the footprint editor to set default pad setup

 m_board = m_parent->GetBoard();

 // Configure display origin transforms
 m_posX.SetCoordType( ORIGIN_TRANSFORMS::ABS_X_COORD );
 m_posY.SetCoordType( ORIGIN_TRANSFORMS::ABS_Y_COORD );

 m_padNetSelector->SetBoard( m_board );
 m_padNetSelector->SetNetInfo( &m_board->GetNetInfo() );

 m_cbShowPadOutline->SetValue( m_sketchPreview );

 m_FlippedWarningIcon->SetBitmap( KiBitmap( BITMAPS::dialog_warning ) );
 m_nonCopperWarningIcon->SetBitmap( KiBitmap( BITMAPS::dialog_warning ) );

 m_padMaster = m_parent->GetDesignSettings().m_Pad_Master.get();
 m_dummyPad = new PAD( (FOOTPRINT*) nullptr );

 if( aPad )
 {
 SetTitle( _( "Pad Properties" ) );

 *m_dummyPad = *aPad;
 m_dummyPad->ClearFlags( SELECTED|BRIGHTENED );
 }
 else
 {
 SetTitle( _( "Default Pad Properties for Add Pad Tool" ) );

 *m_dummyPad = *m_padMaster;
 }

 if( m_isFpEditor )
 {
 m_padNetLabel->Show( false );
 m_padNetSelector->Show( false );
 }

 // Pad needs to have a parent for painting; use the parent board for its design settings
 if( !m_dummyPad->GetParent() )
 m_dummyPad->SetParent( m_board );

 m_cornerRatio.SetUnits( EDA_UNITS::PERCENT );
 m_chamferRatio.SetUnits( EDA_UNITS::PERCENT );
 m_mixedCornerRatio.SetUnits( EDA_UNITS::PERCENT );
 m_mixedChamferRatio.SetUnits( EDA_UNITS::PERCENT );
 m_pad_orientation.SetUnits( EDA_UNITS::DEGREES );
 m_pad_orientation.SetPrecision( 3 );

 m_pasteMargin.SetNegativeZero();

 m_pasteMarginRatio.SetUnits( EDA_UNITS::PERCENT );
 m_pasteMarginRatio.SetNegativeZero();

 initValues();

 wxFont infoFont = KIUI::GetInfoFont( this );
 m_copperLayersLabel->SetFont( infoFont );
 m_techLayersLabel->SetFont( infoFont );
 m_parentInfo->SetFont( infoFont );

 infoFont.SetStyle( wxFONTSTYLE_ITALIC );
 m_nonCopperNote->SetFont( infoFont );
 m_staticTextInfoPaste->SetFont( infoFont );
 m_staticTextInfoNegVal->SetFont( infoFont );
 m_staticTextInfoPosValue->SetFont( infoFont );
 m_staticTextPrimitiveListWarning->SetFont( infoFont );

 // Do not allow locking items in the footprint editor
 m_locked->Show( !m_isFpEditor );

 // Usually, TransferDataToWindow is called by OnInitDialog
 // calling it here fixes all widget sizes so FinishDialogSettings can safely fix minsizes
 TransferDataToWindow();

 // Initialize canvas to be able to display the dummy pad:
 prepareCanvas();

 SetInitialFocus( m_padNumCtrl );
 m_sdbSizerOK->SetDefault();
 m_canUpdate = true;

 m_padNetSelector->Connect( NET_SELECTED,
 wxCommandEventHandler( DIALOG_PAD_PROPERTIES::OnValuesChanged ),
 nullptr, this );

 // Now all widgets have the size fixed, call FinishDialogSettings
 finishDialogSettings();

 // Update widgets
 wxUpdateUIEvent dummyUI;
 OnUpdateUI( dummyUI );

 // Post a dummy size event to force the pad preview panel to update the
 // view: actual size, best zoom ... after the frame is shown
 PostSizeEvent();
}


DIALOG_PAD_PROPERTIES::~DIALOG_PAD_PROPERTIES()
{
 m_padNetSelector->Disconnect( NET_SELECTED,
 wxCommandEventHandler( DIALOG_PAD_PROPERTIES::OnValuesChanged ),
 nullptr, this );

 delete m_dummyPad;
 delete m_axisOrigin;
}


// Store the pad draw option during a session.
bool DIALOG_PAD_PROPERTIES::m_sketchPreview = false;


void DIALOG_PAD_PROPERTIES::OnInitDialog( wxInitDialogEvent& event )
{
 m_selectedColor = COLOR4D( 1.0, 1.0, 1.0, 0.7 );

 // Needed on some WM to be sure the pad is redrawn according to the final size
 // of the canvas, with the right zoom factor
 redraw();
}


void DIALOG_PAD_PROPERTIES::OnCancel( wxCommandEvent& event )
{
 // Mandatory to avoid m_panelShowPadGal trying to draw something
 // in a non valid context during closing process:
 m_padPreviewGAL->StopDrawing();

 // Now call default handler for wxID_CANCEL command event
 event.Skip();
}


void DIALOG_PAD_PROPERTIES::enablePrimitivePage( bool aEnable )
{
 // Enable or disable the widgets in page managing custom shape primitives
 m_listCtrlPrimitives->Enable( aEnable );
 m_buttonDel->Enable( aEnable );
 m_buttonEditShape->Enable( aEnable );
 m_buttonAddShape->Enable( aEnable );
 m_buttonDup->Enable( aEnable );
 m_buttonGeometry->Enable( aEnable );
}


void DIALOG_PAD_PROPERTIES::prepareCanvas()
{
 // Initialize the canvas to display the pad
 m_padPreviewGAL = new PCB_DRAW_PANEL_GAL( m_boardViewPanel, -1, wxDefaultPosition,
 wxDefaultSize,
 m_parent->GetGalDisplayOptions(),
 m_parent->GetCanvas()->GetBackend() );

 m_padPreviewSizer->Add( m_padPreviewGAL, 12, wxEXPAND | wxALL, 5 );

 // Show the X and Y axis. It is useful because pad shape can have an offset
 // or be a complex shape.
 KIGFX::COLOR4D axis_color = LIGHTBLUE;

 m_axisOrigin = new KIGFX::ORIGIN_VIEWITEM( axis_color, KIGFX::ORIGIN_VIEWITEM::CROSS,
 Millimeter2iu( 0.2 ),
 VECTOR2D( m_dummyPad->GetPosition() ) );
 m_axisOrigin->SetDrawAtZero( true );

 m_padPreviewGAL->UpdateColors();
 m_padPreviewGAL->SetStealsFocus( false );
 m_padPreviewGAL->ShowScrollbars( wxSHOW_SB_NEVER, wxSHOW_SB_NEVER );

 KIGFX::VIEW_CONTROLS* parentViewControls = m_parent->GetCanvas()->GetViewControls();
 m_padPreviewGAL->GetViewControls()->ApplySettings( parentViewControls->GetSettings() );

 m_padPreviewGAL->Show();

 KIGFX::VIEW* view = m_padPreviewGAL->GetView();

 // fix the pad render mode (filled/not filled)
 auto settings = static_cast<KIGFX::PCB_RENDER_SETTINGS*>( view->GetPainter()->GetSettings() );
 bool sketchMode = m_cbShowPadOutline->IsChecked();
 settings->SetSketchMode( LAYER_PADS_TH, sketchMode );
 settings->SetSketchMode( LAYER_PAD_FR, sketchMode );
 settings->SetSketchMode( LAYER_PAD_BK, sketchMode );
 settings->SetSketchModeGraphicItems( sketchMode );

 settings->SetHighContrast( false );
 settings->SetContrastModeDisplay( HIGH_CONTRAST_MODE::NORMAL );

 // gives a non null grid size (0.001mm) because GAL layer does not like a 0 size grid:
 double gridsize = 0.001 * IU_PER_MM;
 view->GetGAL()->SetGridSize( VECTOR2D( gridsize, gridsize ) );

 // And do not show the grid:
 view->GetGAL()->SetGridVisibility( false );
 view->Add( m_dummyPad );
 view->Add( m_axisOrigin );

 m_padPreviewGAL->StartDrawing();
 Connect( wxEVT_SIZE, wxSizeEventHandler( DIALOG_PAD_PROPERTIES::OnResize ) );
}


void DIALOG_PAD_PROPERTIES::updateRoundRectCornerValues()
{
 // Note: use ChangeValue() to avoid generating a wxEVT_TEXT event
 m_cornerRadius.ChangeValue( m_dummyPad->GetRoundRectCornerRadius() );

 m_cornerRatio.ChangeDoubleValue( m_dummyPad->GetRoundRectRadiusRatio() * 100.0 );
 m_mixedCornerRatio.ChangeDoubleValue( m_dummyPad->GetRoundRectRadiusRatio() * 100.0 );

 m_chamferRatio.ChangeDoubleValue( m_dummyPad->GetChamferRectRatio() * 100.0 );
 m_mixedChamferRatio.ChangeDoubleValue( m_dummyPad->GetChamferRectRatio() * 100.0 );
}


void DIALOG_PAD_PROPERTIES::onCornerRadiusChange( wxCommandEvent& event )
{
 if( m_dummyPad->GetShape() != PAD_SHAPE::ROUNDRECT &&
 m_dummyPad->GetShape() != PAD_SHAPE::CHAMFERED_RECT )
 {
 return;
 }

 if( m_cornerRadius.GetValue() < 0 )
 m_cornerRadiusCtrl->ChangeValue( "0" );

 transferDataToPad( m_dummyPad );
 m_dummyPad->SetRoundRectCornerRadius( m_cornerRadius.GetValue() );

 m_cornerRatio.ChangeDoubleValue( m_dummyPad->GetRoundRectRadiusRatio() * 100.0 );
 m_mixedCornerRatio.ChangeDoubleValue( m_dummyPad->GetRoundRectRadiusRatio() * 100.0 );

 redraw();
}


void DIALOG_PAD_PROPERTIES::onCornerSizePercentChange( wxCommandEvent& event )
{
 if( m_dummyPad->GetShape() != PAD_SHAPE::ROUNDRECT &&
 m_dummyPad->GetShape() != PAD_SHAPE::CHAMFERED_RECT )
 {
 return;
 }

 wxObject* ctrl = event.GetEventObject();
 wxString value = event.GetString();
 bool changed = false;

 if( ctrl == m_cornerRatioCtrl || ctrl == m_mixedCornerRatioCtrl )
 {
 double ratioPercent;

 if( value.ToDouble( &ratioPercent ) )
 {
 // Clamp ratioPercent to acceptable value (0.0 to 50.0)
 if( ratioPercent < 0.0 )
 {
 m_cornerRatio.SetDoubleValue( 0.0 );
 m_mixedCornerRatio.SetDoubleValue( 0.0 );
 }
 else if( ratioPercent > 50.0 )
 {
 m_cornerRatio.SetDoubleValue( 50.0 );
 m_mixedCornerRatio.SetDoubleValue( 50.0 );
 }

 if( ctrl == m_cornerRatioCtrl )
 m_mixedCornerRatioCtrl->ChangeValue( value );
 else
 m_cornerRatioCtrl->ChangeValue( value );

 changed = true;
 }
 }
 else if( ctrl == m_chamferRatioCtrl || ctrl == m_mixedChamferRatioCtrl )
 {
 double ratioPercent;

 if( value.ToDouble( &ratioPercent ) )
 {
 // Clamp ratioPercent to acceptable value (0.0 to 50.0)
 if( ratioPercent < 0.0 )
 {
 m_chamferRatio.SetDoubleValue( 0.0 );
 m_mixedChamferRatio.SetDoubleValue( 0.0 );
 }
 else if( ratioPercent > 50.0 )
 {
 m_chamferRatio.SetDoubleValue( 50.0 );
 m_mixedChamferRatio.SetDoubleValue( 50.0 );
 }

 if( ctrl == m_chamferRatioCtrl )
 m_mixedChamferRatioCtrl->ChangeValue( value );
 else
 m_chamferRatioCtrl->ChangeValue( value );

 changed = true;
 }
 }

 if( changed )
 {
 transferDataToPad( m_dummyPad );
 m_cornerRadius.ChangeValue( m_dummyPad->GetRoundRectCornerRadius() );
 }

 redraw();
}


void DIALOG_PAD_PROPERTIES::initValues()
{
 wxString msg;

 // Disable pad net name wxTextCtrl if the caller is the footprint editor
 // because nets are living only in the board managed by the board editor
 m_canEditNetName = m_parent->IsType( FRAME_PCB_EDITOR );

 m_PadLayerAdhCmp->SetLabel( m_board->GetLayerName( F_Adhes ) );
 m_PadLayerAdhCu->SetLabel( m_board->GetLayerName( B_Adhes ) );
 m_PadLayerPateCmp->SetLabel( m_board->GetLayerName( F_Paste ) );
 m_PadLayerPateCu->SetLabel( m_board->GetLayerName( B_Paste ) );
 m_PadLayerSilkCmp->SetLabel( m_board->GetLayerName( F_SilkS ) );
 m_PadLayerSilkCu->SetLabel( m_board->GetLayerName( B_SilkS ) );
 m_PadLayerMaskCmp->SetLabel( m_board->GetLayerName( F_Mask ) );
 m_PadLayerMaskCu->SetLabel( m_board->GetLayerName( B_Mask ) );
 m_PadLayerECO1->SetLabel( m_board->GetLayerName( Eco1_User ) );
 m_PadLayerECO2->SetLabel( m_board->GetLayerName( Eco2_User ) );
 m_PadLayerDraft->SetLabel( m_board->GetLayerName( Dwgs_User ) );

 if( m_currentPad )
 {
 m_locked->SetValue( m_currentPad->IsLocked() );
 m_isFlipped = m_currentPad->IsFlipped();

 FOOTPRINT* footprint = m_currentPad->GetParent();

 if( footprint )
 {
 double angle = m_dummyPad->GetOrientation();
 angle -= footprint->GetOrientation();
 m_dummyPad->SetOrientation( angle );

 // Display parent footprint info
 msg.Printf( _("Footprint %s (%s), %s, rotated %g deg"),
 footprint->Reference().GetShownText(),
 footprint->Value().GetShownText(),
 footprint->IsFlipped() ? _( "back side (mirrored)" ) : _( "front side" ),
 footprint->GetOrientationDegrees() );
 }

 m_parentInfo->SetLabel( msg );
 }
 else
 {
 m_locked->Hide();
 m_isFlipped = false;
 }

 if( m_isFlipped )
 {
 // flip pad (up/down) around its position
 m_dummyPad->Flip( m_dummyPad->GetPosition(), false );
 }

 m_primitives = m_dummyPad->GetPrimitives();

 m_FlippedWarningSizer->Show( m_isFlipped );

 if( m_currentPad )
 {
 m_padNumCtrl->SetValue( m_dummyPad->GetNumber() );
 }
 else
 {
 PAD_TOOL* padTool = m_parent->GetToolManager()->GetTool<PAD_TOOL>();
 m_padNumCtrl->SetValue( padTool->GetLastPadNumber() );
 }

 m_padNetSelector->SetSelectedNetcode( m_dummyPad->GetNetCode() );

 // Display current pad parameters units:
 m_posX.ChangeValue( m_dummyPad->GetPosition().x );
 m_posY.ChangeValue( m_dummyPad->GetPosition().y );

 m_holeX.ChangeValue( m_dummyPad->GetDrillSize().x );
 m_holeY.ChangeValue( m_dummyPad->GetDrillSize().y );

 m_sizeX.ChangeValue( m_dummyPad->GetSize().x );
 m_sizeY.ChangeValue( m_dummyPad->GetSize().y );

 m_offsetShapeOpt->SetValue( m_dummyPad->GetOffset() != wxPoint() );
 m_offsetX.ChangeValue( m_dummyPad->GetOffset().x );
 m_offsetY.ChangeValue( m_dummyPad->GetOffset().y );

 if( m_dummyPad->GetDelta().x )
 {
 m_trapDelta.ChangeValue( m_dummyPad->GetDelta().x );
 m_trapAxisCtrl->SetSelection( 0 );
 }
 else
 {
 m_trapDelta.ChangeValue( m_dummyPad->GetDelta().y );
 m_trapAxisCtrl->SetSelection( 1 );
 }

 m_padToDieOpt->SetValue( m_dummyPad->GetPadToDieLength() != 0 );
 m_padToDie.ChangeValue( m_dummyPad->GetPadToDieLength() );

 m_clearance.ChangeValue( m_dummyPad->GetLocalClearance() );
 m_maskMargin.ChangeValue( m_dummyPad->GetLocalSolderMaskMargin() );
 m_spokeWidth.ChangeValue( m_dummyPad->GetThermalSpokeWidth() );
 m_thermalGap.ChangeValue( m_dummyPad->GetThermalGap() );
 m_pasteMargin.ChangeValue( m_dummyPad->GetLocalSolderPasteMargin() );
 m_pasteMarginRatio.ChangeDoubleValue( m_dummyPad->GetLocalSolderPasteMarginRatio() * 100.0 );
 m_pad_orientation.ChangeDoubleValue( m_dummyPad->GetOrientation() );

 switch( m_dummyPad->GetZoneConnection() )
 {
 default:
 case ZONE_CONNECTION::INHERITED: m_ZoneConnectionChoice->SetSelection( 0 ); break;
 case ZONE_CONNECTION::FULL: m_ZoneConnectionChoice->SetSelection( 1 ); break;
 case ZONE_CONNECTION::THERMAL: m_ZoneConnectionChoice->SetSelection( 2 ); break;
 case ZONE_CONNECTION::NONE: m_ZoneConnectionChoice->SetSelection( 3 ); break;
 }

 if( m_dummyPad->GetCustomShapeInZoneOpt() == CUST_PAD_SHAPE_IN_ZONE_CONVEXHULL )
 m_ZoneCustomPadShape->SetSelection( 1 );
 else
 m_ZoneCustomPadShape->SetSelection( 0 );

 switch( m_dummyPad->GetShape() )
 {
 default:
 case PAD_SHAPE::CIRCLE: m_PadShapeSelector->SetSelection( CHOICE_SHAPE_CIRCLE ); break;
 case PAD_SHAPE::OVAL: m_PadShapeSelector->SetSelection( CHOICE_SHAPE_OVAL ); break;
 case PAD_SHAPE::RECT: m_PadShapeSelector->SetSelection( CHOICE_SHAPE_RECT ); break;
 case PAD_SHAPE::TRAPEZOID: m_PadShapeSelector->SetSelection( CHOICE_SHAPE_TRAPEZOID ); break;
 case PAD_SHAPE::ROUNDRECT: m_PadShapeSelector->SetSelection( CHOICE_SHAPE_ROUNDRECT ); break;

 case PAD_SHAPE::CHAMFERED_RECT:
 if( m_dummyPad->GetRoundRectRadiusRatio() > 0.0 )
 m_PadShapeSelector->SetSelection( CHOICE_SHAPE_CHAMFERED_ROUNDED_RECT );
 else
 m_PadShapeSelector->SetSelection( CHOICE_SHAPE_CHAMFERED_RECT );
 break;

 case PAD_SHAPE::CUSTOM:
 if( m_dummyPad->GetAnchorPadShape() == PAD_SHAPE::RECT )
 m_PadShapeSelector->SetSelection( CHOICE_SHAPE_CUSTOM_RECT_ANCHOR );
 else
 m_PadShapeSelector->SetSelection( CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR );
 break;
 }

 m_cbTopLeft->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_TOP_LEFT) );
 m_cbTopLeft1->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_TOP_LEFT) );
 m_cbTopRight->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_TOP_RIGHT) );
 m_cbTopRight1->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_TOP_RIGHT) );
 m_cbBottomLeft->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_BOTTOM_LEFT) );
 m_cbBottomLeft1->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_BOTTOM_LEFT) );
 m_cbBottomRight->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_BOTTOM_RIGHT) );
 m_cbBottomRight1->SetValue( (m_dummyPad->GetChamferPositions() & RECT_CHAMFER_BOTTOM_RIGHT) );

 updateRoundRectCornerValues();

 enablePrimitivePage( PAD_SHAPE::CUSTOM == m_dummyPad->GetShape() );

 // Type of pad selection
 bool aperture = m_dummyPad->GetAttribute() == PAD_ATTRIB::SMD && m_dummyPad->IsAperturePad();

 if( aperture )
 {
 m_padType->SetSelection( APERTURE_DLG_TYPE );
 }
 else
 {
 switch( m_dummyPad->GetAttribute() )
 {
 case PAD_ATTRIB::PTH: m_padType->SetSelection( PTH_DLG_TYPE ); break;
 case PAD_ATTRIB::SMD: m_padType->SetSelection( SMD_DLG_TYPE ); break;
 case PAD_ATTRIB::CONN: m_padType->SetSelection( CONN_DLG_TYPE ); break;
 case PAD_ATTRIB::NPTH: m_padType->SetSelection( NPTH_DLG_TYPE ); break;
 }
 }

 switch( m_dummyPad->GetProperty() )
 {
 case PAD_PROP::NONE: m_choiceFabProperty->SetSelection( 0 ); break;
 case PAD_PROP::BGA: m_choiceFabProperty->SetSelection( 1 ); break;
 case PAD_PROP::FIDUCIAL_LOCAL: m_choiceFabProperty->SetSelection( 2 ); break;
 case PAD_PROP::FIDUCIAL_GLBL: m_choiceFabProperty->SetSelection( 3 ); break;
 case PAD_PROP::TESTPOINT: m_choiceFabProperty->SetSelection( 4 ); break;
 case PAD_PROP::HEATSINK: m_choiceFabProperty->SetSelection( 5 ); break;
 case PAD_PROP::CASTELLATED: m_choiceFabProperty->SetSelection( 6 ); break;
 }

 // Ensure the pad property is compatible with the pad type
 if( m_dummyPad->GetAttribute() == PAD_ATTRIB::NPTH )
 {
 m_choiceFabProperty->SetSelection( 0 );
 m_choiceFabProperty->Enable( false );
 }

 if( m_dummyPad->GetDrillShape() != PAD_DRILL_SHAPE_OBLONG )
 m_holeShapeCtrl->SetSelection( 0 );
 else
 m_holeShapeCtrl->SetSelection( 1 );

 updatePadLayersList( m_dummyPad->GetLayerSet(), m_dummyPad->GetRemoveUnconnected(),
 m_dummyPad->GetKeepTopBottom() );

 // Update some dialog widgets state (Enable/disable options):
 wxCommandEvent cmd_event;
 OnPadShapeSelection( cmd_event );
 OnOffsetCheckbox( cmd_event );

 // Update basic shapes list
 displayPrimitivesList();
}

// A small helper function, to display coordinates:
static wxString formatCoord( EDA_UNITS aUnits, wxPoint aCoord )
{
 return wxString::Format( wxT( "(X:%s Y:%s)" ),
 MessageTextFromValue( aUnits, aCoord.x ),
 MessageTextFromValue( aUnits, aCoord.y ) );
}

void DIALOG_PAD_PROPERTIES::displayPrimitivesList()
{
 m_listCtrlPrimitives->ClearAll();

 wxListItem itemCol;
 itemCol.SetImage(-1);

 for( int ii = 0; ii < 5; ++ii )
 m_listCtrlPrimitives->InsertColumn(ii, itemCol);

 wxString bs_info[5];

 for( unsigned ii = 0; ii < m_primitives.size(); ++ii )
 {
 const std::shared_ptr<PCB_SHAPE>& primitive = m_primitives[ii];

 for( wxString& s : bs_info )
 s.Empty();

 bs_info[4] = _( "width" ) + wxS( " " )+ MessageTextFromValue( m_units,
 primitive->GetWidth() );

 switch( primitive->GetShape() )
 {
 case SHAPE_T::SEGMENT:
 bs_info[0] = _( "Segment" );
 bs_info[1] = _( "from" ) + wxS( " " )+ formatCoord( m_units, primitive->GetStart() );
 bs_info[2] = _( "to" ) + wxS( " " )+ formatCoord( m_units, primitive->GetEnd() );
 break;

 case SHAPE_T::BEZIER:
 bs_info[0] = _( "Bezier" );
 bs_info[1] = _( "from" ) + wxS( " " )+ formatCoord( m_units, primitive->GetStart() );
 bs_info[2] = _( "to" ) + wxS( " " )+ formatCoord( m_units, primitive->GetEnd() );
 break;

 case SHAPE_T::ARC:
 bs_info[0] = _( "Arc" );
 bs_info[1] = _( "center" ) + wxS( " " )+ formatCoord( m_units, primitive->GetCenter() );
 bs_info[2] = _( "start" ) + wxS( " " )+ formatCoord( m_units, primitive->GetStart() );
 bs_info[3] = _( "angle" ) + wxS( " " )+ FormatAngle( primitive->GetArcAngle() );
 break;

 case SHAPE_T::CIRCLE:
 if( primitive->GetWidth() )
 bs_info[0] = _( "ring" );
 else
 bs_info[0] = _( "circle" );

 bs_info[1] = formatCoord( m_units, primitive->GetStart() );
 bs_info[2] = _( "radius" ) + wxS( " " )+ MessageTextFromValue( m_units,
 primitive->GetRadius() );
 break;

 case SHAPE_T::POLY:
 bs_info[0] = _( "Polygon" );
 bs_info[1] = wxString::Format( _( "corners count %d" ),
 primitive->GetPolyShape().Outline( 0 ).PointCount() );
 break;

 default:
 bs_info[0] = _( "Unknown primitive" );
 break;
 }

 long tmp = m_listCtrlPrimitives->InsertItem( ii, bs_info[0] );
 m_listCtrlPrimitives->SetItemData( tmp, ii );

 for( int jj = 0, col = 0; jj < 5; ++jj )
 m_listCtrlPrimitives->SetItem( tmp, col++, bs_info[jj] );
 }

 // Now columns are filled, ensure correct width of columns
 for( unsigned ii = 0; ii < 5; ++ii )
 m_listCtrlPrimitives->SetColumnWidth( ii, wxLIST_AUTOSIZE );
}


void DIALOG_PAD_PROPERTIES::OnResize( wxSizeEvent& event )
{
 redraw();
 event.Skip();
}


void DIALOG_PAD_PROPERTIES::onChangePadMode( wxCommandEvent& event )
{
 m_sketchPreview = m_cbShowPadOutline->GetValue();

 KIGFX::VIEW* view = m_padPreviewGAL->GetView();

 // fix the pad render mode (filled/not filled)
 KIGFX::PCB_RENDER_SETTINGS* settings =
 static_cast<KIGFX::PCB_RENDER_SETTINGS*>( view->GetPainter()->GetSettings() );

 settings->SetSketchMode( LAYER_PADS_TH, m_sketchPreview );
 settings->SetSketchMode( LAYER_PAD_FR, m_sketchPreview );
 settings->SetSketchMode( LAYER_PAD_BK, m_sketchPreview );
 settings->SetSketchModeGraphicItems( m_sketchPreview );

 settings->SetHighContrast( false );
 settings->SetContrastModeDisplay( HIGH_CONTRAST_MODE::NORMAL );

 redraw();
}


void DIALOG_PAD_PROPERTIES::OnPadShapeSelection( wxCommandEvent& event )
{
 switch( m_PadShapeSelector->GetSelection() )
 {
 case CHOICE_SHAPE_CIRCLE:
 case CHOICE_SHAPE_OVAL:
 case CHOICE_SHAPE_RECT:
 m_shapePropsBook->SetSelection( 0 );
 break;

 case CHOICE_SHAPE_TRAPEZOID:
 m_shapePropsBook->SetSelection( 1 );
 break;

 case CHOICE_SHAPE_ROUNDRECT:
 {
 m_shapePropsBook->SetSelection( 2 );

 // A reasonable default (from IPC-7351C)
 if( m_dummyPad->GetRoundRectRadiusRatio() == 0.0 )
 m_cornerRatio.ChangeValue( 25 );

 break;
 }

 case CHOICE_SHAPE_CHAMFERED_RECT:
 m_shapePropsBook->SetSelection( 3 );

 // Reasonable default
 if( m_dummyPad->GetChamferRectRatio() == 0.0 )
 m_dummyPad->SetChamferRectRatio( 0.2 );

 // Ensure the displayed value is up to date:
 m_chamferRatio.ChangeDoubleValue( m_dummyPad->GetChamferRectRatio() * 100.0 );

 // A reasonable default is one corner chamfered (usual for some SMD pads).
 if( !m_cbTopLeft->GetValue() && !m_cbTopRight->GetValue()
 && !m_cbBottomLeft->GetValue() && !m_cbBottomRight->GetValue() )
 {
 m_cbTopLeft->SetValue( true );
 m_cbTopRight->SetValue( false );
 m_cbBottomLeft->SetValue( false );
 m_cbBottomRight->SetValue( false );
 }

 break;

 case CHOICE_SHAPE_CHAMFERED_ROUNDED_RECT:
 m_shapePropsBook->SetSelection( 4 );

 // Reasonable defaults (corner radius from IPC-7351C)
 if( m_dummyPad->GetRoundRectRadiusRatio() == 0.0
 && m_dummyPad->GetChamferRectRatio() == 0.0 )
 {
 if( m_dummyPad->GetRoundRectRadiusRatio() == 0.0 )
 m_dummyPad->SetRoundRectRadiusRatio( 0.25 );

 if( m_dummyPad->GetChamferRectRatio() == 0.0 )
 m_dummyPad->SetChamferRectRatio( 0.2 );
 }

 // Ensure the displayed values are up to date:
 m_mixedChamferRatio.ChangeDoubleValue( m_dummyPad->GetChamferRectRatio() * 100.0 );
 m_mixedCornerRatio.ChangeDoubleValue( m_dummyPad->GetRoundRectRadiusRatio() * 100.0 );
 break;

 case CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR: // PAD_SHAPE::CUSTOM, circular anchor
 case CHOICE_SHAPE_CUSTOM_RECT_ANCHOR: // PAD_SHAPE::CUSTOM, rect anchor
 m_shapePropsBook->SetSelection( 0 );
 break;
 }

 // Readjust props book size
 wxSize size = m_shapePropsBook->GetSize();
 size.y = m_shapePropsBook->GetPage( m_shapePropsBook->GetSelection() )->GetBestSize().y;
 m_shapePropsBook->SetMaxSize( size );

 m_sizeY.Enable( m_PadShapeSelector->GetSelection() != CHOICE_SHAPE_CIRCLE
 && m_PadShapeSelector->GetSelection() != CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR );

 m_offsetShapeOpt->Enable( m_PadShapeSelector->GetSelection() != CHOICE_SHAPE_CIRCLE
 && m_PadShapeSelector->GetSelection() != CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR
 && m_PadShapeSelector->GetSelection() != CHOICE_SHAPE_CUSTOM_RECT_ANCHOR );

 if( !m_offsetShapeOpt->IsEnabled() )
 m_offsetShapeOpt->SetValue( false );

 // Show/hide controls depending on m_offsetShapeOpt being enabled
 m_offsetCtrls->Show( m_offsetShapeOpt->GetValue() );
 m_offsetShapeOptLabel->Show( m_offsetShapeOpt->GetValue() );

 bool is_custom = m_PadShapeSelector->GetSelection() == CHOICE_SHAPE_CUSTOM_CIRC_ANCHOR
 || m_PadShapeSelector->GetSelection() == CHOICE_SHAPE_CUSTOM_RECT_ANCHOR;

 enablePrimitivePage( is_custom );
 m_staticTextcps->Enable( is_custom );
 m_ZoneCustomPadShape->Enable( is_custom );

 transferDataToPad( m_dummyPad );

 updateRoundRectCornerValues();

 for( size_t i = 0; i < m_notebook->GetPageCount(); ++i )
 m_notebook->GetPage( i )->Layout();

 // Resize the dialog if its height is too small to show all widgets:
 if( m_MainSizer->GetSize().y < m_MainSizer->GetMinSize().y )
 m_MainSizer->SetSizeHints( this );

 redraw();
}


void DIALOG_PAD_PROPERTIES::OnDrillShapeSelected( wxCommandEvent& event )
{
 transferDataToPad( m_dummyPad );
 redraw();
}


void DIALOG_PAD_PROPERTIES::PadOrientEvent( wxCommandEvent& event )
{
 transferDataToPad( m_dummyPad );
 redraw();
}


void DIALOG_PAD_PROPERTIES::UpdateLayersDropdown()
{
 m_rbCopperLayersSel->Clear();

 switch( m_padType->GetSelection() )
 {
 case PTH_DLG_TYPE:
 m_rbCopperLayersSel->Append( _( "All copper layers" ) );
 m_rbCopperLayersSel->Append( wxString::Format( _( "%s, %s and connected layers" ),
 m_board->GetLayerName( F_Cu ),
 m_board->GetLayerName( B_Cu ) ) );
 m_rbCopperLayersSel->Append( _( "Connected layers only" ) );
 m_rbCopperLayersSel->Append( _( "None" ) );
 break;

 case NPTH_DLG_TYPE:
 m_rbCopperLayersSel->Append( wxString::Format( _( "%s and %s" ),
 m_board->GetLayerName( F_Cu ),
 m_board->GetLayerName( B_Cu ) ) );
 m_rbCopperLayersSel->Append( m_board->GetLayerName( F_Cu ) );
 m_rbCopperLayersSel->Append( m_board->GetLayerName( B_Cu ) );
 m_rbCopperLayersSel->Append( _( "None" ) );
 break;

 case SMD_DLG_TYPE:
 case CONN_DLG_TYPE:
 m_rbCopperLayersSel->Append( m_board->GetLayerName( F_Cu ) );
 m_rbCopperLayersSel->Append( m_board->GetLayerName( B_Cu ) );
 break;

 case APERTURE_DLG_TYPE:
 m_rbCopperLayersSel->Append( _( "None" ) );
 break;
 }
}


void DIALOG_PAD_PROPERTIES::PadTypeSelected( wxCommandEvent& event )
{
 bool hasHole = true;
 bool hasConnection = true;
 bool hasProperty = true;

 switch( m_padType->GetSelection() )
 {
 case PTH_DLG_TYPE: hasHole = true; hasConnection = true; hasProperty = true; break;
 case SMD_DLG_TYPE: hasHole = false; hasConnection = true; hasProperty = true; break;
 case CONN_DLG_TYPE: hasHole = false; hasConnection = true; hasProperty = true; break;
 case NPTH_DLG_TYPE: hasHole = true; hasConnection = false; hasProperty = false; break;
 case APERTURE_DLG_TYPE: hasHole = false; hasConnection = false; hasProperty = true; break;
 }

 // Update Layers dropdown list and selects the "best" layer set for the new pad type:
 updatePadLayersList( {}, m_dummyPad->GetRemoveUnconnected(), m_dummyPad->GetKeepTopBottom() );

 if( !hasHole )
 {
 m_holeX.ChangeValue( 0 );
 m_holeY.ChangeValue( 0 );
 }
 else if ( m_holeX.GetValue() == 0 && m_currentPad )
 {
 m_holeX.ChangeValue( m_currentPad->GetDrillSize().x );
 m_holeY.ChangeValue( m_currentPad->GetDrillSize().y );
 }

 if( !hasConnection )
 {
 m_padNumCtrl->ChangeValue( wxEmptyString );
 m_padNetSelector->SetSelectedNetcode( 0 );
 m_padToDieOpt->SetValue( false );
 }
 else if( m_padNumCtrl->GetValue().IsEmpty() && m_currentPad )
 {
 m_padNumCtrl->ChangeValue( m_currentPad->GetNumber() );
 m_padNetSelector->SetSelectedNetcode( m_currentPad->GetNetCode() );
 }

 if( !hasProperty )
 m_choiceFabProperty->SetSelection( 0 );

 m_choiceFabProperty->Enable( hasProperty );

 transferDataToPad( m_dummyPad );

 redraw();
}


void DIALOG_PAD_PROPERTIES::OnUpdateUI( wxUpdateUIEvent& event )
{
 // Enable/disable position
 m_posX.Enable( !m_locked->GetValue() || m_isFpEditor );
 m_posY.Enable( !m_locked->GetValue() || m_isFpEditor );

 bool hasHole = true;
 bool hasConnection = true;

 switch( m_padType->GetSelection() )
 {
 case PTH_DLG_TYPE: /* PTH */ hasHole = true; hasConnection = true; break;
 case SMD_DLG_TYPE: /* SMD */ hasHole = false; hasConnection = true; break;
 case CONN_DLG_TYPE: /* CONN */ hasHole = false; hasConnection = true; break;
 case NPTH_DLG_TYPE: /* NPTH */ hasHole = true; hasConnection = false; break;
 case APERTURE_DLG_TYPE: /* Aperture */ hasHole = false; hasConnection = false; break;
 }

 // Enable/disable hole controls
 m_holeShapeLabel->Enable( hasHole );
 m_holeShapeCtrl->Enable( hasHole );
 m_holeX.Enable( hasHole );
 m_holeY.Enable( hasHole && m_holeShapeCtrl->GetSelection() == 1 );

 // Enable/disable number and net
 m_padNumLabel->Enable( hasConnection );
 m_padNumCtrl->Enable( hasConnection );

 if( m_padNetLabel->IsShown() )
 {
 m_padNetLabel->Enable( hasConnection && m_canEditNetName && m_currentPad );
 m_padNetSelector->Enable( hasConnection && m_canEditNetName && m_currentPad );
 }

 // Enable/disable pad length-to-die
 m_padToDieOpt->Enable( hasConnection );

 if( !m_padToDieOpt->IsEnabled() )
 m_padToDieOpt->SetValue( false );

 // We can show/hide this here because it doesn't require the layout to be refreshed.
 // All the others have to be done in their event handlers because doing a layout here
 // causes infinite looping on MSW.
 m_padToDie.Show( m_padToDieOpt->GetValue() );

 // Enable/disable Copper Layers control
 m_rbCopperLayersSel->Enable( m_padType->GetSelection() != APERTURE_DLG_TYPE );

 LSET cu_set = m_dummyPad->GetLayerSet() & LSET::AllCuMask();

 switch( m_padType->GetSelection() )
 {
 case PTH_DLG_TYPE:
 if( !cu_set.any() )
 m_stackupImagesBook->SetSelection( 3 );
 else if( !m_dummyPad->GetRemoveUnconnected() )
 m_stackupImagesBook->SetSelection( 0 );
 else if( m_dummyPad->GetKeepTopBottom() )
 m_stackupImagesBook->SetSelection( 1 );
 else
 m_stackupImagesBook->SetSelection( 2 );

 break;

 case NPTH_DLG_TYPE:
 if( cu_set.test( F_Cu ) && cu_set.test( B_Cu ) )
 m_stackupImagesBook->SetSelection( 4 );
 else if( cu_set.test( F_Cu ) )
 m_stackupImagesBook->SetSelection( 5 );
 else if( cu_set.test( B_Cu ) )
 m_stackupImagesBook->SetSelection( 6 );
 else
 m_stackupImagesBook->SetSelection( 7 );

 break;

 case SMD_DLG_TYPE:
 case CONN_DLG_TYPE:
 case APERTURE_DLG_TYPE:
 m_stackupImagesBook->ChangeSelection( 3 );
 break;
 }
}


void DIALOG_PAD_PROPERTIES::OnUpdateUINonCopperWarning( wxUpdateUIEvent& event )
{
 bool isOnCopperLayer = ( m_dummyPad->GetLayerSet() & LSET::AllCuMask() ).any();
 m_nonCopperWarningBook->ChangeSelection( isOnCopperLayer ? 0 : 1 );
}


void DIALOG_PAD_PROPERTIES::updatePadLayersList( LSET layer_mask, bool remove_unconnected,
 bool keep_top_bottom )
{
 UpdateLayersDropdown();

 switch( m_padType->GetSelection() )
 {
 case PTH_DLG_TYPE:
 if( !layer_mask.any() )
 layer_mask = PAD::PTHMask();

 if( !( layer_mask & LSET::AllCuMask() ).any() )
 m_rbCopperLayersSel->SetSelection( 3 );
 else if( !remove_unconnected )
 m_rbCopperLayersSel->SetSelection( 0 );
 else if( keep_top_bottom )
 m_rbCopperLayersSel->SetSelection( 1 );
 else
 m_rbCopperLayersSel->SetSelection( 2 );

 break;

  case SMD_DLG_TYPE:
 if( !layer_mask.any() )
 layer_mask = PAD::SMDMask();

 if( layer_mask.test( F_Cu ) )
 m_rbCopperLayersSel->SetSelection( 0 );
 else
 m_rbCopperLayersSel->SetSelection( 1 );

 break;

 case CONN_DLG_TYPE:
 if( !layer_mask.any() )
 layer_mask = PAD::ConnSMDMask();

 if( layer_mask.test( F_Cu ) )
 m_rbCopperLayersSel->SetSelection( 0 );
 else
 m_rbCopperLayersSel->SetSelection( 1 );

 break;

 case NPTH_DLG_TYPE:
 if( !layer_mask.any() )
 layer_mask = PAD::UnplatedHoleMask();

 if( layer_mask.test( F_Cu ) && layer_mask.test( B_Cu ) )
 m_rbCopperLayersSel->SetSelection( 0 );
 else if( layer_mask.test( F_Cu ) )
 m_rbCopperLayersSel->SetSelection( 1 );
 else if( layer_mask.test( B_Cu ) )
 m_rbCopperLayersSel->SetSelection( 2 );
 else
 m_rbCopperLayersSel->SetSelection( 3 );

 break;

 case APERTURE_DLG_TYPE:
 if( !layer_mask.any() )
 layer_mask = PAD::ApertureMask();

 m_rbCopperLayersSel->SetSelection( 0 );
 break;
 }

 m_PadLayerAdhCmp->SetValue( layer_mask[F_Adhes] );
 m_PadLayerAdhCu->SetValue( layer_mask[B_Adhes] );

 m_PadLayerPateCmp->SetValue( layer_mask[F_Paste] );
 m_PadLayerPateCu->SetValue( layer_mask[B_Paste] );

 m_PadLayerSilkCmp->SetValue( layer_mask[F_SilkS] );
 m_PadLayerSilkCu->SetValue( layer_mask[B_SilkS] );

 m_PadLayerMaskCmp->SetValue( layer_mask[F_Mask] );
 m_PadLayerMaskCu->SetValue( layer_mask[B_Mask] );

 m_PadLayerECO1->SetValue( layer_mask[Eco1_User] );
 m_PadLayerECO2->SetValue( layer_mask[Eco2_User] );

 m_PadLayerDraft->SetValue( layer_mask[Dwgs_User] );
}


bool DIALOG_PAD_PROPERTIES::Show( bool aShow )
{
 bool retVal = DIALOG_SHIM::Show( aShow );

 if( aShow )
 {
 // It *should* work to set the stackup bitmap in the constructor, but it doesn't.
 // wxWidgets needs to have these set when the panel is visible for some reason.
 // https://gitlab.com/kicad/code/kicad/-/issues/5534
 m_stackupImage0->SetBitmap( KiBitmap( BITMAPS::pads_reset_unused ) );
 m_stackupImage1->SetBitmap( KiBitmap( BITMAPS::pads_remove_unused_keep_bottom ) );
 m_stackupImage2->SetBitmap( KiBitmap( BITMAPS::pads_remove_unused ) );
 m_stackupImage4->SetBitmap( KiBitmap( BITMAPS::pads_npth_top_bottom ) );
 m_stackupImage5->SetBitmap( KiBitmap( BITMAPS::pads_npth_top ) );
 m_stackupImage6->SetBitmap( KiBitmap( BITMAPS::pads_npth_bottom ) );
 m_stackupImage7->SetBitmap( KiBitmap( BITMAPS::pads_npth ) );

 Layout();
 }

 return retVal;
}


void DIALOG_PAD_PROPERTIES::OnSetCopperLayers( wxCommandEvent& event )
{
 transferDataToPad( m_dummyPad );
 redraw();
}


void DIALOG_PAD_PROPERTIES::OnSetLayers( wxCommandEvent& event )
{
 transferDataToPad( m_dummyPad );
 redraw();
}


bool DIALOG_PAD_PROPERTIES::padValuesOK()
{
 bool error = transferDataToPad( m_dummyPad );

 wxArrayString error_msgs;
 wxArrayString warning_msgs;
 wxString msg;
 wxSize pad_size = m_dummyPad->GetSize();
 wxSize drill_size = m_dummyPad->GetDrillSize();

 if( m_dummyPad->GetShape() == PAD_SHAPE::CUSTOM )
 {
 // allow 0-sized anchor pads
 }
 else if( m_dummyPad->GetShape() == PAD_SHAPE::CIRCLE )
 {
 if( pad_size.x <= 0 )
 warning_msgs.Add( _( "Warning: Pad size is less than zero." ) );
 }
 else
 {
 if( pad_size.x <= 0 || pad_size.y <= 0 )
 warning_msgs.Add( _( "Warning: Pad size is less than zero." ) );
 }

 // Test hole size against pad size
 if( m_dummyPad->IsOnCopperLayer() )
 {
 LSET lset = m_dummyPad->GetLayerSet() & LSET::AllCuMask();
 PCB_LAYER_ID layer = lset.Seq().at( 0 );
 int maxError = m_board->GetDesignSettings().m_MaxError;
 SHAPE_POLY_SET padOutline;

 m_dummyPad->TransformShapeWithClearanceToPolygon( padOutline, layer, 0, maxError,
 ERROR_LOC::ERROR_INSIDE );

 const SHAPE_SEGMENT* drillShape = m_dummyPad->GetEffectiveHoleShape();
 const SEG drillSeg = drillShape->GetSeg();
 SHAPE_POLY_SET drillOutline;

 TransformOvalToPolygon( drillOutline, (wxPoint) drillSeg.A, (wxPoint) drillSeg.B,
 drillShape->GetWidth(), maxError, ERROR_LOC::ERROR_INSIDE );

 drillOutline.BooleanSubtract( padOutline, SHAPE_POLY_SET::POLYGON_MODE::PM_FAST );

 if( drillOutline.BBox().GetWidth() > 0 || drillOutline.BBox().GetHeight() > 0 )
 {
 warning_msgs.Add( _( "Warning: Pad drill will leave no copper or drill shape and "
 "pad shape do not overlap." ) );
 }
 }

 if( m_dummyPad->GetLocalClearance() < 0 )
 warning_msgs.Add( _( "Warning: Negative local clearance values will have no effect." ) );

 // Some pads need a negative solder mask clearance (mainly for BGA with small pads)
 // However the negative solder mask clearance must not create negative mask size
 // Therefore test for minimal acceptable negative value
 if( m_dummyPad->GetLocalSolderMaskMargin() < 0 )
 {
 int absMargin = abs( m_dummyPad->GetLocalSolderMaskMargin() );

 if( m_dummyPad->GetShape() == PAD_SHAPE::CUSTOM )
 {
 for( const std::shared_ptr<PCB_SHAPE>& shape : m_dummyPad->GetPrimitives() )
 {
 EDA_RECT shapeBBox = shape->GetBoundingBox();

 if( absMargin > shapeBBox.GetWidth() || absMargin > shapeBBox.GetHeight() )
 {
 warning_msgs.Add( _( "Warning: Negative solder mask clearances larger than "
 "some shape primitives. Results may be surprising." ) );

 break;
 }
 }
 }
 else if( absMargin > pad_size.x || absMargin > pad_size.y )
 {
 warning_msgs.Add( _( "Warning: Negative solder mask clearance larger than pad. No "
 "solder mask will be generated." ) );
 }
 }

 // Some pads need a positive solder paste clearance (mainly for BGA with small pads)
 // However, a positive value can create issues if the resulting shape is too big.
 // (like a solder paste creating a solder paste area on a neighbor pad or on the solder mask)
 // So we could ask for user to confirm the choice
 // For now we just check for disappearing paste
 wxSize paste_size;
 int paste_margin = m_dummyPad->GetLocalSolderPasteMargin();
 double paste_ratio = m_dummyPad->GetLocalSolderPasteMarginRatio();

 paste_size.x = pad_size.x + paste_margin + KiROUND( pad_size.x * paste_ratio );
 paste_size.y = pad_size.y + paste_margin + KiROUND( pad_size.y * paste_ratio );

 if( paste_size.x <= 0 || paste_size.y <= 0 )
 {
 warning_msgs.Add( _( "Warning: Negative solder paste margins larger than pad. No solder "
 "paste mask will be generated." ) );
 }

 LSET padlayers_mask = m_dummyPad->GetLayerSet();

 if( padlayers_mask == 0 )
 error_msgs.Add( _( "Error: pad has no layer." ) );

 if( !padlayers_mask[F_Cu] && !padlayers_mask[B_Cu] )
 {
 if( ( drill_size.x || drill_size.y ) && m_dummyPad->GetAttribute() != PAD_ATTRIB::NPTH )
 {
 warning_msgs.Add( _( "Warning: Plated through holes should normally have a copper pad "
 "on at least one layer." ) );
 }
 }

 if( error )
 error_msgs.Add( _( "Too large value for pad delta size." ) );

 switch( m_dummyPad->GetAttribute() )
 {
 case PAD_ATTRIB::NPTH: // Not plated, but through hole, a hole is expected
 case PAD_ATTRIB::PTH: // Pad through hole, a hole is also expected
 if( drill_size.x <= 0
 || ( drill_size.y <= 0 && m_dummyPad->GetDrillShape() == PAD_DRILL_SHAPE_OBLONG ) )
 {
 warning_msgs.Add( _( "Warning: Through hole pad has no hole." ) );
 }
 break;

 case PAD_ATTRIB::CONN: // Connector pads are smd pads, just they do not have solder paste.
 if( padlayers_mask[B_Paste] || padlayers_mask[F_Paste] )
 {
 warning_msgs.Add( _( "Warning: Connector pads normally have no solder paste. Use an "
 "SMD pad instead." ) );
 }
 KI_FALLTHROUGH;

 case PAD_ATTRIB::SMD: // SMD and Connector pads (One external copper layer only)
 {
 LSET innerlayers_mask = padlayers_mask & LSET::InternalCuMask();

 if( ( padlayers_mask[F_Cu] && padlayers_mask[B_Cu] ) || innerlayers_mask.count() != 0 )
 warning_msgs.Add( _( "Warning: SMD pad has no outer layers." ) );
 }
 break;
 }

 if( ( m_dummyPad->GetProperty() == PAD_PROP::FIDUCIAL_GLBL ||
 m_dummyPad->GetProperty() == PAD_PROP::FIDUCIAL_LOCAL ) &&
 m_dummyPad->GetAttribute() == PAD_ATTRIB::NPTH )
 {
 warning_msgs.Add( _( "Warning: Fiducial property makes no sense on NPTH pads." ) );
 }

 if( m_dummyPad->GetProperty() == PAD_PROP::TESTPOINT &&
 m_dummyPad->GetAttribute() == PAD_ATTRIB::NPTH )
 {
 warning_msgs.Add( _( "Warning: Testpoint property makes no sense on NPTH pads." ) );
 }

 if( m_dummyPad->GetProperty() == PAD_PROP::HEATSINK &&
 m_dummyPad->GetAttribute() == PAD_ATTRIB::NPTH )
 {
 warning_msgs.Add( _( "Warning: Heatsink property makes no sense of NPTH pads." ) );
 }

 if( m_dummyPad->GetProperty() == PAD_PROP::CASTELLATED &&
 m_dummyPad->GetAttribute() != PAD_ATTRIB::PTH )
 {
 warning_msgs.Add( _( "Warning: Castellated property is for PTH pads." ) );
 }

 if( m_dummyPad->GetProperty() == PAD_PROP::BGA &&
 m_dummyPad->GetAttribute() != PAD_ATTRIB::SMD )
 {
 warning_msgs.Add( _( "Warning: BGA property is for SMD pads." ) );
 }

 if( m_dummyPad->GetShape() == PAD_SHAPE::ROUNDRECT ||
 m_dummyPad->GetShape() == PAD_SHAPE::CHAMFERED_RECT )
 {
 wxASSERT( m_cornerRatio.GetValue() == m_mixedCornerRatio.GetValue() );

 if( m_cornerRatio.GetDoubleValue() < 0.0 )
 error_msgs.Add( _( "Error: Negative corner size." ) );
 else if( m_cornerRatio.GetDoubleValue() > 50.0 )
 warning_msgs.Add( _( "Warning: Corner size will make pad circular." ) );
 }

 // PADSTACKS TODO: this will need to check each layer in the pad...
 if( m_dummyPad->GetShape() == PAD_SHAPE::CUSTOM )
 {
 SHAPE_POLY_SET mergedPolygon;
 m_dummyPad->MergePrimitivesAsPolygon( &mergedPolygon );

 if( mergedPolygon.OutlineCount() > 1 )
 error_msgs.Add( _( "Error: Custom pad shape must resolve to a single polygon." ) );
 }


 if( error_msgs.GetCount() || warning_msgs.GetCount() )
 {
 wxString title = error_msgs.GetCount() ? _( "Pad Properties Errors" )
 : _( "Pad Properties Warnings" );
 HTML_MESSAGE_BOX dlg( this, title );

 dlg.ListSet( error_msgs );

 if( warning_msgs.GetCount() )
 dlg.ListSet( warning_msgs );

 dlg.ShowModal();
 }

 return error_msgs.GetCount() == 0;
}


void DIALOG_PAD_PROPERTIES::redraw()
{
 if( !m_canUpdate )
 return;

 KIGFX::VIEW* view = m_padPreviewGAL->GetView();
 m_padPreviewGAL->StopDrawing();

 // The layer used to place primitive items selected when editing custom pad shapes
 // we use here a layer never used in a pad:
 #define SELECTED_ITEMS_LAYER Dwgs_User

 view->SetTopLayer( SELECTED_ITEMS_LAYER );
 KIGFX::PCB_RENDER_SETTINGS* settings =
 static_cast<KIGFX::PCB_RENDER_SETTINGS*>( view->GetPainter()->GetSettings() );
 settings->SetLayerColor( SELECTED_ITEMS_LAYER, m_selectedColor );

 view->Update( m_dummyPad );

 // delete previous items if highlight list
 while( m_highlight.size() )
 {
 delete m_highlight.back(); // the dtor also removes item from view
 m_highlight.pop_back();
 }

 // highlight selected primitives:
 long select = m_listCtrlPrimitives->GetFirstSelected();

 while( select >= 0 )
 {
 PCB_SHAPE* dummyShape = static_cast<PCB_SHAPE*>( m_primitives[select]->Clone() );
 dummyShape->SetLayer( SELECTED_ITEMS_LAYER );
 dummyShape->Rotate( wxPoint( 0, 0), m_dummyPad->GetOrientation() );
 dummyShape->Move( m_dummyPad->GetPosition() );

 view->Add( dummyShape );
 m_highlight.push_back( dummyShape );

 select = m_listCtrlPrimitives->GetNextSelected( select );
 }

 BOX2I bbox = m_dummyPad->ViewBBox();

 if( bbox.GetSize().x > 0 && bbox.GetSize().y > 0 )
 {
 // The origin always goes in the middle of the canvas; we want offsetting the pad
 // shape to move the pad, not the hole
 bbox.Move( -m_dummyPad->GetPosition() );
 int maxXExtent = std::max( abs( bbox.GetLeft() ), abs( bbox.GetRight() ) );
 int maxYExtent = std::max( abs( bbox.GetTop() ), abs( bbox.GetBottom() ) );

 // Don't blow up the GAL on too-large numbers
 if( maxXExtent > INT_MAX / 4 )
 maxXExtent = INT_MAX / 4;

 if( maxYExtent > INT_MAX / 4 )
 maxYExtent = INT_MAX / 4;

 BOX2D viewBox( m_dummyPad->GetPosition(), {0, 0} );
 BOX2D canvasBox( m_dummyPad->GetPosition(), {0, 0} );
 viewBox.Inflate( maxXExtent * 1.4, maxYExtent * 1.4 ); // add a margin
 canvasBox.Inflate( maxXExtent * 2.0, maxYExtent * 2.0 );

 view->SetBoundary( canvasBox );

 // Autozoom
 view->SetViewport( viewBox );

 m_padPreviewGAL->StartDrawing();
 m_padPreviewGAL->Refresh();
 }
}


bool DIALOG_PAD_PROPERTIES::TransferDataToWindow()
{
 if( !wxDialog::TransferDataToWindow() )
 return false;

 if( !m_panelGeneral->TransferDataToWindow() )
 return false;

 if( !m_localSettingsPanel->TransferDataToWindow() )
 return false;

 return true;
}


bool DIALOG_PAD_PROPERTIES::TransferDataFromWindow()
{
 BOARD_COMMIT commit( m_parent );

 if( !wxDialog::TransferDataFromWindow() )
 return false;

 if( !m_panelGeneral->TransferDataFromWindow() )
 return false;

 if( !m_localSettingsPanel->TransferDataFromWindow() )
 return false;

 if( !padValuesOK() )
 return false;

 transferDataToPad( m_padMaster );

 PAD_TOOL* padTool = m_parent->GetToolManager()->GetTool<PAD_TOOL>();
 padTool->SetLastPadNumber( m_padMaster->GetNumber() );

 // m_padMaster is a pattern: ensure there is no net for this pad:
 m_padMaster->SetNetCode( NETINFO_LIST::UNCONNECTED );

 if( !m_currentPad ) // Set current Pad parameters
 return true;

 commit.Modify( m_currentPad );

 // redraw the area where the pad was, without pad (delete pad on screen)
 m_currentPad->SetFlags( DO_NOT_DRAW );
 m_parent->GetCanvas()->Refresh();
 m_currentPad->ClearFlags( DO_NOT_DRAW );

 // Update values
 m_currentPad->SetShape( m_padMaster->GetShape() );
 m_currentPad->SetAttribute( m_padMaster->GetAttribute() );
 m_currentPad->SetOrientation( m_padMaster->GetOrientation() );

 m_currentPad->SetLocked( m_locked->GetValue() );

 if( !m_locked->GetValue() || m_isFpEditor )
 m_currentPad->SetPosition( m_padMaster->GetPosition() );

 wxSize size;
 FOOTPRINT* footprint = m_currentPad->GetParent();

 m_currentPad->SetSize( m_padMaster->GetSize() );

 size = m_padMaster->GetDelta();
 m_currentPad->SetDelta( size );

 m_currentPad->SetDrillSize( m_padMaster->GetDrillSize() );
 m_currentPad->SetDrillShape( m_padMaster->GetDrillShape() );

 wxPoint offset = m_padMaster->GetOffset();
 m_currentPad->SetOffset( offset );

 m_currentPad->SetPadToDieLength( m_padMaster->GetPadToDieLength() );

 if( m_padMaster->GetShape() != PAD_SHAPE::CUSTOM )
 m_padMaster->DeletePrimitivesList();

 m_currentPad->SetAnchorPadShape( m_padMaster->GetAnchorPadShape() );
 m_currentPad->ReplacePrimitives( m_padMaster->GetPrimitives() );

 m_currentPad->SetLayerSet( m_padMaster->GetLayerSet() );
 m_currentPad->SetRemoveUnconnected( m_padMaster->GetRemoveUnconnected() );
 m_currentPad->SetKeepTopBottom( m_padMaster->GetKeepTopBottom() );

 m_currentPad->SetNumber( m_padMaster->GetNumber() );

 int padNetcode = NETINFO_LIST::UNCONNECTED;

 // For PAD_ATTRIB::NPTH, ensure there is no net name selected
 if( m_padMaster->GetAttribute() != PAD_ATTRIB::NPTH )
 padNetcode = m_padNetSelector->GetSelectedNetcode();

 m_currentPad->SetNetCode( padNetcode );
 m_currentPad->SetLocalClearance( m_padMaster->GetLocalClearance() );
 m_currentPad->SetLocalSolderMaskMargin( m_padMaster->GetLocalSolderMaskMargin() );
 m_currentPad->SetLocalSolderPasteMargin( m_padMaster->GetLocalSolderPasteMargin() );
 m_currentPad->SetLocalSolderPasteMarginRatio( m_padMaster->GetLocalSolderPasteMarginRatio() );
 m_currentPad->SetThermalSpokeWidth( m_padMaster->GetThermalSpokeWidth() );
 m_currentPad->SetThermalGap( m_padMaster->GetThermalGap() );
 m_currentPad->SetRoundRectRadiusRatio( m_padMaster->GetRoundRectRadiusRatio() );
 m_currentPad->SetChamferRectRatio( m_padMaster->GetChamferRectRatio() );
 m_currentPad->SetChamferPositions( m_padMaster->GetChamferPositions() );
 m_currentPad->SetZoneConnection( m_padMaster->GetZoneConnection() );

 // rounded rect pads with radius ratio = 0 are in fact rect pads.
 // So set the right shape (and perhaps issues with a radius = 0)
 if( m_currentPad->GetShape() == PAD_SHAPE::ROUNDRECT &&
 m_currentPad->GetRoundRectRadiusRatio() == 0.0 )
 {
 m_currentPad->SetShape( PAD_SHAPE::RECT );
 }

 // Set the fabrication property:
 m_currentPad->SetProperty( getSelectedProperty() );

 // define the way the clearance area is defined in zones
 m_currentPad->SetCustomShapeInZoneOpt( m_padMaster->GetCustomShapeInZoneOpt() );

 if( m_isFlipped )
 {
 // flip pad (up/down) around its position
 m_currentPad->Flip( m_currentPad->GetPosition(), false );
 }

 if( footprint )
 {
 // compute the pos 0 value, i.e. pad position for footprint with orientation = 0
 // i.e. relative to footprint origin (footprint position)
 wxPoint pt = m_currentPad->GetPosition() - footprint->GetPosition();
 RotatePoint( &pt, -footprint->GetOrientation() );
 m_currentPad->SetPos0( pt );
 m_currentPad->SetOrientation( m_currentPad->GetOrientation() +
 footprint->GetOrientation() );
 }

 m_parent->SetMsgPanel( m_currentPad );

 // redraw the area where the pad was
 m_parent->GetCanvas()->Refresh();

 commit.Push( _( "Modify pad" ) );

 return true;
}


PAD_PROP DIALOG_PAD_PROPERTIES::getSelectedProperty()
{
 PAD_PROP prop = PAD_PROP::NONE;

 switch( m_choiceFabProperty->GetSelection() )
 {
 case 0: prop = PAD_PROP::NONE; break;
 case 1: prop = PAD_PROP::BGA; break;
 case 2: prop = PAD_PROP::FIDUCIAL_LOCAL; break;
 case 3: prop = PAD_PROP::FIDUCIAL_GLBL; break;
 case 4: prop = PAD_PROP::TESTPOINT; break;
 case 5: prop = PAD_PROP::HEATSINK; break;
 case 6: prop = PAD_PROP::CASTELLATED; break;
 }

 return prop;
}


bool DIALOG_PAD_PROPERTIES::transferDataToPad( PAD* aPad )
{
 wxString msg;

 if( !Validate() )
 return true;
 if( !m_panelGeneral->Validate() )
 return true;
 if( !m_localSettingsPanel->Validate() )
 return true;
 if( !m_spokeWidth.Validate( 0, INT_MAX ) )
 return false;

 aPad->SetAttribute( code_type[m_padType->GetSelection()] );
 aPad->SetShape( code_shape[m_PadShapeSelector->GetSelection()] );

 if( m_PadShapeSelector->GetSelection() == CHOICE_SHAPE_CUSTOM_RECT_ANCHOR )
 aPad->SetAnchorPadShape( PAD_SHAPE::RECT );
 else
 aPad->SetAnchorPadShape( PAD_SHAPE::CIRCLE );

 if( aPad->GetShape() == PAD_SHAPE::CUSTOM )
 aPad->ReplacePrimitives( m_primitives );

 // Read pad clearances values:
 aPad->SetLocalClearance( m_clearance.GetValue() );
 aPad->SetLocalSolderMaskMargin( m_maskMargin.GetValue() );
 aPad->SetLocalSolderPasteMargin( m_pasteMargin.GetValue() );
 aPad->SetLocalSolderPasteMarginRatio( m_pasteMarginRatio.GetDoubleValue() / 100.0 );
 aPad->SetThermalSpokeWidth( m_spokeWidth.GetValue() );
 aPad->SetThermalGap( m_thermalGap.GetValue() );

 // And rotation
 aPad->SetOrientation( m_pad_orientation.GetDoubleValue() );

 switch( m_ZoneConnectionChoice->GetSelection() )
 {
 default:
 case 0: aPad->SetZoneConnection( ZONE_CONNECTION::INHERITED ); break;
 case 1: aPad->SetZoneConnection( ZONE_CONNECTION::FULL ); break;
 case 2: aPad->SetZoneConnection( ZONE_CONNECTION::THERMAL ); break;
 case 3: aPad->SetZoneConnection( ZONE_CONNECTION::NONE ); break;
 }

 aPad->SetPosition( wxPoint( m_posX.GetValue(), m_posY.GetValue() ) );

 if( m_holeShapeCtrl->GetSelection() == 0 )
 {
 aPad->SetDrillShape( PAD_DRILL_SHAPE_CIRCLE );
 aPad->SetDrillSize( wxSize( m_holeX.GetValue(), m_holeX.GetValue() ) );
 }
 else
 {
 aPad->SetDrillShape( PAD_DRILL_SHAPE_OBLONG );
 aPad->SetDrillSize( wxSize( m_holeX.GetValue(), m_holeY.GetValue() ) );
 }

 if( aPad->GetShape() == PAD_SHAPE::CIRCLE )
 aPad->SetSize( wxSize( m_sizeX.GetValue(), m_sizeX.GetValue() ) );
 else
 aPad->SetSize( wxSize( m_sizeX.GetValue(), m_sizeY.GetValue() ) );

 // For a trapezoid, test delta value (be sure delta is not too large for pad size)
 // remember DeltaSize.x is the Y size variation
 bool error = false;
 wxSize delta( 0, 0 );

 if( aPad->GetShape() == PAD_SHAPE::TRAPEZOID )
 {
 // For a trapezoid, only one of delta.x or delta.y is not 0, depending on axis.
 if( m_trapAxisCtrl->GetSelection() == 0 )
 delta.x = m_trapDelta.GetValue();
 else
 delta.y = m_trapDelta.GetValue();

 if( delta.x < 0 && delta.x < -aPad->GetSize().y )
 {
 delta.x = -aPad->GetSize().y + 2;
 error = true;
 }

 if( delta.x > 0 && delta.x > aPad->GetSize().y )
 {
 delta.x = aPad->GetSize().y - 2;
 error = true;
 }

 if( delta.y < 0 && delta.y < -aPad->GetSize().x )
 {
 delta.y = -aPad->GetSize().x + 2;
 error = true;
 }

 if( delta.y > 0 && delta.y > aPad->GetSize().x )
 {
 delta.y = aPad->GetSize().x - 2;
 error = true;
 }
 }

 aPad->SetDelta( delta );

 if( m_offsetShapeOpt->GetValue() )
 aPad->SetOffset( wxPoint( m_offsetX.GetValue(), m_offsetY.GetValue() ) );
 else
 aPad->SetOffset( wxPoint() );

 // Read pad length die
 if( m_padToDieOpt->GetValue() )
 aPad->SetPadToDieLength( m_padToDie.GetValue() );
 else
 aPad->SetPadToDieLength( 0 );

 aPad->SetNumber( m_padNumCtrl->GetValue() );
 aPad->SetNetCode( m_padNetSelector->GetSelectedNetcode() );

 int chamfers = 0;

 if( m_PadShapeSelector->GetSelection() == CHOICE_SHAPE_CHAMFERED_RECT )
 {
 if( m_cbTopLeft->GetValue() )
 chamfers |= RECT_CHAMFER_TOP_LEFT;

 if( m_cbTopRight->GetValue() )
 chamfers |= RECT_CHAMFER_TOP_RIGHT;

 if( m_cbBottomLeft->GetValue() )
 chamfers |= RECT_CHAMFER_BOTTOM_LEFT;

 if( m_cbBottomRight->GetValue() )
 chamfers |= RECT_CHAMFER_BOTTOM_RIGHT;
 }
 else if( m_PadShapeSelector->GetSelection() == CHOICE_SHAPE_CHAMFERED_ROUNDED_RECT )
 {
 if( m_cbTopLeft1->GetValue() )
 chamfers |= RECT_CHAMFER_TOP_LEFT;

 if( m_cbTopRight1->GetValue() )
 chamfers |= RECT_CHAMFER_TOP_RIGHT;

 if( m_cbBottomLeft1->GetValue() )
 chamfers |= RECT_CHAMFER_BOTTOM_LEFT;

 if( m_cbBottomRight1->GetValue() )
 chamfers |= RECT_CHAMFER_BOTTOM_RIGHT;
 }
 aPad->SetChamferPositions( chamfers );

 if( aPad->GetShape() == PAD_SHAPE::CUSTOM )
 {
 // The pad custom has a "anchor pad" (a basic shape: round or rect pad)
 // that is the minimal area of this pad, and is useful to ensure a hole
 // diameter is acceptable, and is used in Gerber files as flashed area
 // reference
 if( aPad->GetAnchorPadShape() == PAD_SHAPE::CIRCLE )
 aPad->SetSize( wxSize( m_sizeX.GetValue(), m_sizeX.GetValue() ) );

 // define the way the clearance area is defined in zones
 aPad->SetCustomShapeInZoneOpt( m_ZoneCustomPadShape->GetSelection() == 0 ?
 CUST_PAD_SHAPE_IN_ZONE_OUTLINE :
 CUST_PAD_SHAPE_IN_ZONE_CONVEXHULL );
 }

 switch( aPad->GetAttribute() )
 {
 case PAD_ATTRIB::PTH:
 break;

 case PAD_ATTRIB::CONN:
 case PAD_ATTRIB::SMD:
 // SMD and PAD_ATTRIB::CONN has no hole.
 // basically, SMD and PAD_ATTRIB::CONN are same type of pads
 // PAD_ATTRIB::CONN has just a default non technical layers that differs from SMD
 // and are intended to be used in virtual edge board connectors
 // However we can accept a non null offset,
 // mainly to allow complex pads build from a set of basic pad shapes
 aPad->SetDrillSize( wxSize( 0, 0 ) );
 break;

 case PAD_ATTRIB::NPTH:
 // Mechanical purpose only:
 // no net name, no pad name allowed
 aPad->SetNumber( wxEmptyString );
 aPad->SetNetCode( NETINFO_LIST::UNCONNECTED );
 break;

 default:
 wxFAIL_MSG( wxT( "DIALOG_PAD_PROPERTIES::transferDataToPad: unknown pad type" ) );
 break;
 }

 if( aPad->GetShape() == PAD_SHAPE::ROUNDRECT )
 {
 aPad->SetRoundRectRadiusRatio( m_cornerRatio.GetDoubleValue() / 100.0 );
 }
 else if( aPad->GetShape() == PAD_SHAPE::CHAMFERED_RECT )
 {
 if( m_PadShapeSelector->GetSelection() == CHOICE_SHAPE_CHAMFERED_ROUNDED_RECT )
 {
 aPad->SetChamferRectRatio( m_mixedChamferRatio.GetDoubleValue() / 100.0 );
 aPad->SetRoundRectRadiusRatio( m_mixedCornerRatio.GetDoubleValue() / 100.0 );
 }
 else // Choice is CHOICE_SHAPE_CHAMFERED_RECT, no rounded corner
 {
 aPad->SetChamferRectRatio( m_chamferRatio.GetDoubleValue() / 100.0 );
 aPad->SetRoundRectRadiusRatio( 0 );
 }
 }

 aPad->SetProperty( getSelectedProperty() );

 LSET padLayerMask = LSET();
 int copperLayersChoice = m_rbCopperLayersSel->GetSelection();

 aPad->SetRemoveUnconnected( false );
 aPad->SetKeepTopBottom( false );

 switch( m_padType->GetSelection() )
 {
 case PTH_DLG_TYPE:
 switch( copperLayersChoice )
 {
 case 0:
 // All copper layers
 padLayerMask |= LSET::AllCuMask();
 break;

 case 1:
 // Front, back and connected
 padLayerMask |= LSET::AllCuMask();
 aPad->SetRemoveUnconnected( true );
 aPad->SetKeepTopBottom( true );
 break;

 case 2:
 // Connected only
 padLayerMask |= LSET::AllCuMask();
 aPad->SetRemoveUnconnected( true );
 break;

 case 3:
 // No copper layers
 break;
 }

 break;

 case NPTH_DLG_TYPE:
 switch( copperLayersChoice )
 {
 case 0: padLayerMask.set( F_Cu ).set( B_Cu ); break;
 case 1: padLayerMask.set( F_Cu ); break;
 case 2: padLayerMask.set( B_Cu ); break;
 default: break;
 }

 break;

 case SMD_DLG_TYPE:
 case CONN_DLG_TYPE:
 switch( copperLayersChoice )
 {
 case 0: padLayerMask.set( F_Cu ); break;
 case 1: padLayerMask.set( B_Cu ); break;
 }

 break;

 case APERTURE_DLG_TYPE:
 // no copper layers
 break;
 }

 if( m_PadLayerAdhCmp->GetValue() )
 padLayerMask.set( F_Adhes );

 if( m_PadLayerAdhCu->GetValue() )
 padLayerMask.set( B_Adhes );

 if( m_PadLayerPateCmp->GetValue() )
 padLayerMask.set( F_Paste );

 if( m_PadLayerPateCu->GetValue() )
 padLayerMask.set( B_Paste );

 if( m_PadLayerSilkCmp->GetValue() )
 padLayerMask.set( F_SilkS );

 if( m_PadLayerSilkCu->GetValue() )
 padLayerMask.set( B_SilkS );

 if( m_PadLayerMaskCmp->GetValue() )
 padLayerMask.set( F_Mask );

 if( m_PadLayerMaskCu->GetValue() )
 padLayerMask.set( B_Mask );

 if( m_PadLayerECO1->GetValue() )
 padLayerMask.set( Eco1_User );

 if( m_PadLayerECO2->GetValue() )
 padLayerMask.set( Eco2_User );

 if( m_PadLayerDraft->GetValue() )
 padLayerMask.set( Dwgs_User );

 aPad->SetLayerSet( padLayerMask );

 return error;
}


void DIALOG_PAD_PROPERTIES::OnOffsetCheckbox( wxCommandEvent& event )
{
 if( m_offsetShapeOpt->GetValue() )
 {
 m_offsetX.SetValue( m_dummyPad->GetOffset().x );
 m_offsetY.SetValue( m_dummyPad->GetOffset().y );
 }

 // Show/hide controls depending on m_offsetShapeOpt being enabled
 m_offsetCtrls->Show( m_offsetShapeOpt->GetValue() );
 m_offsetShapeOptLabel->Show( m_offsetShapeOpt->GetValue() );

 for( size_t i = 0; i < m_notebook->GetPageCount(); ++i )
 m_notebook->GetPage( i )->Layout();

 OnValuesChanged( event );
}


void DIALOG_PAD_PROPERTIES::OnPadToDieCheckbox( wxCommandEvent& event )
{
 if( m_padToDieOpt->GetValue() && m_currentPad )
 m_padToDie.SetValue( m_currentPad->GetPadToDieLength() );

 OnValuesChanged( event );
}


void DIALOG_PAD_PROPERTIES::OnValuesChanged( wxCommandEvent& event )
{
 if( m_canUpdate )
 {
 transferDataToPad( m_dummyPad );

 // If the pad size has changed, update the displayed values for rounded rect pads.
 updateRoundRectCornerValues();

 redraw();
 }
}

void DIALOG_PAD_PROPERTIES::editPrimitive()
{
 long select = m_listCtrlPrimitives->GetFirstSelected();

 if( select < 0 )
 {
 wxMessageBox( _( "No shape selected" ) );
 return;
 }

 std::shared_ptr<PCB_SHAPE>& shape = m_primitives[select];

 if( shape->GetShape() == SHAPE_T::POLY )
 {
 DIALOG_PAD_PRIMITIVE_POLY_PROPS dlg( this, m_parent, shape.get() );

 if( dlg.ShowModal() != wxID_OK )
 return;

 dlg.TransferDataFromWindow();
 }

 else
 {
 DIALOG_PAD_PRIMITIVES_PROPERTIES dlg( this, m_parent, shape.get() );

 if( dlg.ShowModal() != wxID_OK )
 return;

 dlg.TransferDataFromWindow();
 }

 displayPrimitivesList();

 if( m_canUpdate )
 {
 transferDataToPad( m_dummyPad );
 redraw();
 }
}


void DIALOG_PAD_PROPERTIES::OnPrimitiveSelection( wxListEvent& event )
{
 // Called on a double click on the basic shapes list
 // To Do: highligth the primitive(s) currently selected.
 redraw();
}


void DIALOG_PAD_PROPERTIES::onPrimitiveDClick( wxMouseEvent& event )
{
 editPrimitive();
}


void DIALOG_PAD_PROPERTIES::onEditPrimitive( wxCommandEvent& event )
{
 editPrimitive();
}


void DIALOG_PAD_PROPERTIES::onDeletePrimitive( wxCommandEvent& event )
{
 long select = m_listCtrlPrimitives->GetFirstSelected();

 if( select < 0 )
 return;

 // Multiple selections are allowed. get them and remove corresponding shapes
 std::vector<long> indexes;
 indexes.push_back( select );

 while( ( select = m_listCtrlPrimitives->GetNextSelected( select ) ) >= 0 )
 indexes.push_back( select );

 // Erase all select shapes
 for( unsigned ii = indexes.size(); ii > 0; --ii )
 m_primitives.erase( m_primitives.begin() + indexes[ii-1] );

 displayPrimitivesList();

 if( m_canUpdate )
 {
 transferDataToPad( m_dummyPad );
 redraw();
 }
}


void DIALOG_PAD_PROPERTIES::onAddPrimitive( wxCommandEvent& event )
{
 // Ask user for shape type
 wxString shapelist[] = {
 _( "Segment" ),
 _( "Arc" ),
 _( "Bezier" ),
 _( "Ring/Circle" ),
 _( "Polygon" )
 };

 int type = wxGetSingleChoiceIndex( _( "Shape type:" ), _( "Add Primitive" ),
 arrayDim( shapelist ), shapelist, 0, this );

 // User pressed cancel
 if( type == -1 )
 return;

 SHAPE_T listtype[] = { SHAPE_T::SEGMENT, SHAPE_T::ARC, SHAPE_T::BEZIER, SHAPE_T::CIRCLE,
 SHAPE_T::POLY };

 PCB_SHAPE* primitive = new PCB_SHAPE();
 primitive->SetShape( listtype[type] );
 primitive->SetWidth( m_board->GetDesignSettings().GetLineThickness( F_Cu ) );
 primitive->SetFilled( true );

 if( listtype[type] == SHAPE_T::POLY )
 {
 DIALOG_PAD_PRIMITIVE_POLY_PROPS dlg( this, m_parent, primitive );

 if( dlg.ShowModal() != wxID_OK )
 return;
 }
 else
 {
 DIALOG_PAD_PRIMITIVES_PROPERTIES dlg( this, m_parent, primitive );

 if( dlg.ShowModal() != wxID_OK )
 return;
 }

 m_primitives.emplace_back( primitive );

 displayPrimitivesList();

 if( m_canUpdate )
 {
 transferDataToPad( m_dummyPad );
 redraw();
 }
}


void DIALOG_PAD_PROPERTIES::onGeometryTransform( wxCommandEvent& event )
{
 long select = m_listCtrlPrimitives->GetFirstSelected();

 if( select < 0 )
 {
 wxMessageBox( _( "No shape selected" ) );
 return;
 }

 // Multiple selections are allowed. Build selected shapes list
 std::vector<std::shared_ptr<PCB_SHAPE>> shapeList;
 shapeList.emplace_back( m_primitives[select] );

 while( ( select = m_listCtrlPrimitives->GetNextSelected( select ) ) >= 0 )
 shapeList.emplace_back( m_primitives[select] );

 DIALOG_PAD_PRIMITIVES_TRANSFORM dlg( this, m_parent, shapeList, false );

 if( dlg.ShowModal() != wxID_OK )
 return;

 dlg.Transform();

 displayPrimitivesList();

 if( m_canUpdate )
 {
 transferDataToPad( m_dummyPad );
 redraw();
 }
}


void DIALOG_PAD_PROPERTIES::onDuplicatePrimitive( wxCommandEvent& event )
{
 long select = m_listCtrlPrimitives->GetFirstSelected();

 if( select < 0 )
 {
 wxMessageBox( _( "No shape selected" ) );
 return;
 }

 // Multiple selections are allowed. Build selected shapes list
 std::vector<std::shared_ptr<PCB_SHAPE>> shapeList;
 shapeList.emplace_back( m_primitives[select] );

 while( ( select = m_listCtrlPrimitives->GetNextSelected( select ) ) >= 0 )
 shapeList.emplace_back( m_primitives[select] );

 DIALOG_PAD_PRIMITIVES_TRANSFORM dlg( this, m_parent, shapeList, true );

 if( dlg.ShowModal() != wxID_OK )
 return;

 // Transfer new settings
 // save duplicates to a separate vector to avoid m_primitives reallocation,
 // as shapeList contains pointers to its elements
 std::vector<std::shared_ptr<PCB_SHAPE>> duplicates;
 dlg.Transform( &duplicates, dlg.GetDuplicateCount() );
 std::move( duplicates.begin(), duplicates.end(), std::back_inserter( m_primitives ) );

 displayPrimitivesList();

 if( m_canUpdate )
 {
 transferDataToPad( m_dummyPad );
 redraw();
 }
}