dialog_page_settings.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include <env_paths.h>
#include <pgm_base.h>
#include <bitmaps.h>
#include <base_screen.h>
#include <confirm.h>
#include <core/arraydim.h>
#include <dialogs/dialog_page_settings.h>
#include <eda_draw_frame.h>
#include <eda_item.h>
#include <gr_basic.h>
#include <kiface_base.h>
#include <macros.h>
#include <math/util.h> // for KiROUND, Clamp
#include <project.h>
#include <title_block.h>
#include <tool/actions.h>
#include <tool/tool_manager.h>
#include <wildcards_and_files_ext.h>
#include <drawing_sheet/ds_data_model.h>
#include <drawing_sheet/ds_painter.h>
#include <wx/valgen.h>
#include <wx/tokenzr.h>
#include <wx/filedlg.h>
#include <wx/dcmemory.h>

#define MAX_PAGE_EXAMPLE_SIZE 200


// List of page formats.
// they are prefixed by "_HKI" (already in use for hotkeys) instead of "_",
// because we need both the translated and the not translated version.
// when displayed in dialog we should explicitly call wxGetTranslation()
// to show the translated version.
// See hotkeys_basic.h for more info
#define _HKI( x ) wxT( x )
static const wxString pageFmts[] =
{
 _HKI("A5 148x210mm"),
 _HKI("A4 210x297mm"),
 _HKI("A3 297x420mm"),
 _HKI("A2 420x594mm"),
 _HKI("A1 594x841mm"),
 _HKI("A0 841x1189mm"),
 _HKI("A 8.5x11in"),
 _HKI("B 11x17in"),
 _HKI("C 17x22in"),
 _HKI("D 22x34in"),
 _HKI("E 34x44in"),
 _HKI("USLetter 8.5x11in"), // USLetter without space is correct
 _HKI("USLegal 8.5x14in"), // USLegal without space is correct
 _HKI("USLedger 11x17in"), // USLedger without space is correct
 _HKI("User (Custom)"), // size defined by user. The string must contain "Custom"
 // to be recognized in code
};

DIALOG_PAGES_SETTINGS::DIALOG_PAGES_SETTINGS( EDA_DRAW_FRAME* aParent, double aIuPerMils,
 const wxSize& aMaxUserSizeMils ) :
 DIALOG_PAGES_SETTINGS_BASE( aParent ),
 m_parent( aParent ),
 m_screen( m_parent->GetScreen() ),
 m_initialized( false ),
 m_pageBitmap( nullptr ),
 m_iuPerMils( aIuPerMils ),
 m_customSizeX( aParent, m_userSizeXLabel, m_userSizeXCtrl, m_userSizeXUnits ),
 m_customSizeY( aParent, m_userSizeYLabel, m_userSizeYCtrl, m_userSizeYUnits )
{
 m_projectPath = Prj().GetProjectPath();
 m_browseButton->SetBitmap( KiBitmap( BITMAPS::small_folder ) );

 m_maxPageSizeMils = aMaxUserSizeMils;
 m_tb = m_parent->GetTitleBlock();
 m_customFmt = false;
 m_localPrjConfigChanged = false;

 m_drawingSheet = new DS_DATA_MODEL;
 wxString serialization;
 DS_DATA_MODEL::GetTheInstance().SaveInString( &serialization );
 m_drawingSheet->SetPageLayout( TO_UTF8( serialization ) );

 m_PickDate->SetValue( wxDateTime::Now() );

 if( m_parent->GetName() == PL_EDITOR_FRAME_NAME )
 {
 SetTitle( _( "Preview Settings" ) );
 m_staticTextPaper->SetLabel( _( "Preview Paper" ) );
 m_staticTextTitleBlock->SetLabel( _( "Preview Title Block Data" ) );
 }
 else
 {
 SetTitle( _( "Page Settings" ) );
 m_staticTextPaper->SetLabel( _( "Paper" ) );
 m_staticTextTitleBlock->SetLabel( _( "Title Block" ) );
 }

 Centre();
}


DIALOG_PAGES_SETTINGS::~DIALOG_PAGES_SETTINGS()
{
 delete m_pageBitmap;
 delete m_drawingSheet;
}


bool DIALOG_PAGES_SETTINGS::TransferDataToWindow()
{
 wxString msg;

 // initialize page format choice box and page format list.
 // The first shows translated strings, the second contains not translated strings
 m_paperSizeComboBox->Clear();

 for( const wxString& pageFmt : pageFmts )
 {
 m_pageFmt.Add( pageFmt );
 m_paperSizeComboBox->Append( wxGetTranslation( pageFmt ) );
 }

 // initialize the drawing sheet filename
 SetWksFileName( BASE_SCREEN::m_DrawingSheetFileName );

 m_pageInfo = m_parent->GetPageSettings();
 SetCurrentPageSizeSelection( m_pageInfo.GetType() );
 m_orientationComboBox->SetSelection( m_pageInfo.IsPortrait() );

 // only a click fires the "selection changed" event, so have to fabricate this check
 wxCommandEvent dummy;
 OnPaperSizeChoice( dummy );

 if( m_customFmt )
 {
 m_customSizeX.SetValue( m_pageInfo.GetWidthMils() * m_iuPerMils );
 m_customSizeY.SetValue( m_pageInfo.GetHeightMils() * m_iuPerMils );
 }
 else
 {
 m_customSizeX.SetValue( m_pageInfo.GetCustomWidthMils() * m_iuPerMils );
 m_customSizeY.SetValue( m_pageInfo.GetCustomHeightMils() * m_iuPerMils );
 }

 m_TextRevision->SetValue( m_tb.GetRevision() );
 m_TextDate->SetValue( m_tb.GetDate() );
 m_TextTitle->SetValue( m_tb.GetTitle() );
 m_TextCompany->SetValue( m_tb.GetCompany() );
 m_TextComment1->SetValue( m_tb.GetComment( 0 ) );
 m_TextComment2->SetValue( m_tb.GetComment( 1 ) );
 m_TextComment3->SetValue( m_tb.GetComment( 2 ) );
 m_TextComment4->SetValue( m_tb.GetComment( 3 ) );
 m_TextComment5->SetValue( m_tb.GetComment( 4 ) );
 m_TextComment6->SetValue( m_tb.GetComment( 5 ) );
 m_TextComment7->SetValue( m_tb.GetComment( 6 ) );
 m_TextComment8->SetValue( m_tb.GetComment( 7 ) );
 m_TextComment9->SetValue( m_tb.GetComment( 8 ) );

 // The default is to disable aall these fields for the "generic" dialog
 m_TextSheetCount->Show( false );
 m_TextSheetNumber->Show( false );
 m_PaperExport->Show( false );
 m_RevisionExport->Show( false );
 m_DateExport->Show( false );
 m_TitleExport->Show( false );
 m_CompanyExport->Show( false );
 m_Comment1Export->Show( false );
 m_Comment2Export->Show( false );
 m_Comment3Export->Show( false );
 m_Comment4Export->Show( false );
 m_Comment5Export->Show( false );
 m_Comment6Export->Show( false );
 m_Comment7Export->Show( false );
 m_Comment8Export->Show( false );
 m_Comment9Export->Show( false );

 onTransferDataToWindow();

 GetPageLayoutInfoFromDialog();
 UpdateDrawingSheetExample();

 GetSizer()->SetSizeHints( this );

 // Make the OK button the default.
 m_sdbSizerOK->SetDefault();
 m_initialized = true;

 return true;
}


bool DIALOG_PAGES_SETTINGS::TransferDataFromWindow()
{
 int idx = std::max( m_paperSizeComboBox->GetSelection(), 0 );
 const wxString paperType = m_pageFmt[idx];

 if( paperType.Contains( PAGE_INFO::Custom ) )
 {
 if( !m_customSizeX.Validate( MIN_PAGE_SIZE_MILS, m_maxPageSizeMils.x, EDA_UNITS::MILS ) )
 return false;

 if( !m_customSizeY.Validate( MIN_PAGE_SIZE_MILS, m_maxPageSizeMils.y, EDA_UNITS::MILS ) )
 return false;
 }

 if( SavePageSettings() )
 {
 m_screen->SetContentModified();

 if( LocalPrjConfigChanged() )
 m_parent->SaveProjectSettings();

 // Call the post processing (if any) after changes
 m_parent->OnPageSettingsChange();
 }

 return true;
}


void DIALOG_PAGES_SETTINGS::OnPaperSizeChoice( wxCommandEvent& event )
{
 int idx = m_paperSizeComboBox->GetSelection();

 if( idx < 0 )
 idx = 0;

 const wxString paperType = m_pageFmt[idx];

 if( paperType.Contains( PAGE_INFO::Custom ) )
 {
 m_staticTextOrient->Enable( false );
 m_orientationComboBox->Enable( false );

 m_staticTextCustSize->Enable( true );
 m_customSizeX.Enable( true );
 m_customSizeY.Enable( true );
 m_customFmt = true;
 }
 else
 {
 m_staticTextOrient->Enable( true );
 m_orientationComboBox->Enable( true );

 m_staticTextCustSize->Enable( false );
 m_customSizeX.Enable( false );
 m_customSizeY.Enable( false );
 m_customFmt = false;
 }

 GetPageLayoutInfoFromDialog();
 UpdateDrawingSheetExample();
}


void DIALOG_PAGES_SETTINGS::OnUserPageSizeXTextUpdated( wxCommandEvent& event )
{
 if( m_initialized )
 {
 GetPageLayoutInfoFromDialog();
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnUserPageSizeYTextUpdated( wxCommandEvent& event )
{
 if( m_initialized )
 {
 GetPageLayoutInfoFromDialog();
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnPageOrientationChoice( wxCommandEvent& event )
{
 if( m_initialized )
 {
 GetPageLayoutInfoFromDialog();
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnRevisionTextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextRevision->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetRevision( m_TextRevision->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnDateTextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextDate->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetDate( m_TextDate->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnTitleTextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextTitle->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetTitle( m_TextTitle->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnCompanyTextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextCompany->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetCompany( m_TextCompany->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment1TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment1->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 0, m_TextComment1->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment2TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment2->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 1, m_TextComment2->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment3TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment3->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 2, m_TextComment3->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment4TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment4->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 3, m_TextComment4->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment5TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment5->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 4, m_TextComment5->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment6TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment6->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 5, m_TextComment6->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment7TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment7->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 6, m_TextComment7->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment8TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment8->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 7, m_TextComment8->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnComment9TextUpdated( wxCommandEvent& event )
{
 if( m_initialized && m_TextComment9->IsModified() )
 {
 GetPageLayoutInfoFromDialog();
 m_tb.SetComment( 8, m_TextComment9->GetValue() );
 UpdateDrawingSheetExample();
 }
}


void DIALOG_PAGES_SETTINGS::OnDateApplyClick( wxCommandEvent& event )
{
 wxDateTime datetime = m_PickDate->GetValue();
 wxString date =
 // We can choose different formats. Should probably be kept in sync with CURRENT_DATE
 // formatting in TITLE_BLOCK.
 //
 // datetime.Format( wxLocale::GetInfo( wxLOCALE_SHORT_DATE_FMT ) );
 // datetime.Format( wxLocale::GetInfo( wxLOCALE_LONG_DATE_FMT ) );
 // datetime.Format( wxT("%Y-%b-%d") );
 datetime.FormatISODate();

 m_TextDate->SetValue( date );
}


bool DIALOG_PAGES_SETTINGS::SavePageSettings()
{
 bool success = false;

 wxString fileName = GetWksFileName();

 if( fileName != BASE_SCREEN::m_DrawingSheetFileName )
 {
 wxString fullFileName = DS_DATA_MODEL::ResolvePath( fileName, m_projectPath );

 if( !fullFileName.IsEmpty() && !wxFileExists( fullFileName ) )
 {
 wxString msg;
 msg.Printf( _( "Drawing sheet file '%s' not found." ), fullFileName );
 wxMessageBox( msg );
 return false;
 }

 BASE_SCREEN::m_DrawingSheetFileName = fileName;
 DS_DATA_MODEL::GetTheInstance().LoadDrawingSheet( fullFileName );
 m_localPrjConfigChanged = true;
 }

 int idx = std::max( m_paperSizeComboBox->GetSelection(), 0 );
 const wxString paperType = m_pageFmt[idx];

 if( paperType.Contains( PAGE_INFO::Custom ) )
 {
 GetCustomSizeMilsFromDialog();

 success = m_pageInfo.SetType( PAGE_INFO::Custom );

 if( success )
 {
 PAGE_INFO::SetCustomWidthMils( m_layout_size.x );
 PAGE_INFO::SetCustomHeightMils( m_layout_size.y );

 m_pageInfo.SetWidthMils( m_layout_size.x );
 m_pageInfo.SetHeightMils( m_layout_size.y );
 }
 }
 else
 {
 // search for longest common string first, e.g. A4 before A
 if( paperType.Contains( PAGE_INFO::USLetter ) )
 success = m_pageInfo.SetType( PAGE_INFO::USLetter );
 else if( paperType.Contains( PAGE_INFO::USLegal ) )
 success = m_pageInfo.SetType( PAGE_INFO::USLegal );
 else if( paperType.Contains( PAGE_INFO::USLedger ) )
 success = m_pageInfo.SetType( PAGE_INFO::USLedger );
 else if( paperType.Contains( PAGE_INFO::GERBER ) )
 success = m_pageInfo.SetType( PAGE_INFO::GERBER );
 else if( paperType.Contains( PAGE_INFO::A5 ) )
 success = m_pageInfo.SetType( PAGE_INFO::A5 );
 else if( paperType.Contains( PAGE_INFO::A4 ) )
  success = m_pageInfo.SetType( PAGE_INFO::A4 );
 else if( paperType.Contains( PAGE_INFO::A3 ) )
 success = m_pageInfo.SetType( PAGE_INFO::A3 );
 else if( paperType.Contains( PAGE_INFO::A2 ) )
 success = m_pageInfo.SetType( PAGE_INFO::A2 );
 else if( paperType.Contains( PAGE_INFO::A1 ) )
 success = m_pageInfo.SetType( PAGE_INFO::A1 );
 else if( paperType.Contains( PAGE_INFO::A0 ) )
 success = m_pageInfo.SetType( PAGE_INFO::A0 );
 else if( paperType.Contains( PAGE_INFO::A ) )
 success = m_pageInfo.SetType( PAGE_INFO::A );
 else if( paperType.Contains( PAGE_INFO::B ) )
 success = m_pageInfo.SetType( PAGE_INFO::B );
 else if( paperType.Contains( PAGE_INFO::C ) )
 success = m_pageInfo.SetType( PAGE_INFO::C );
 else if( paperType.Contains( PAGE_INFO::D ) )
 success = m_pageInfo.SetType( PAGE_INFO::D );
 else if( paperType.Contains( PAGE_INFO::E ) )
 success = m_pageInfo.SetType( PAGE_INFO::E );

 if( success )
 {
 int choice = m_orientationComboBox->GetSelection();
 m_pageInfo.SetPortrait( choice != 0 );
 }
 }

 if( !success )
 {
 wxASSERT_MSG( false,
 _( "the translation for paper size must preserve original spellings" ) );
 m_pageInfo.SetType( PAGE_INFO::A4 );
 }

 m_parent->SetPageSettings( m_pageInfo );

 m_tb.SetRevision( m_TextRevision->GetValue() );
 m_tb.SetDate( m_TextDate->GetValue() );
 m_tb.SetCompany( m_TextCompany->GetValue() );
 m_tb.SetTitle( m_TextTitle->GetValue() );
 m_tb.SetComment( 0, m_TextComment1->GetValue() );
 m_tb.SetComment( 1, m_TextComment2->GetValue() );
 m_tb.SetComment( 2, m_TextComment3->GetValue() );
 m_tb.SetComment( 3, m_TextComment4->GetValue() );
 m_tb.SetComment( 4, m_TextComment5->GetValue() );
 m_tb.SetComment( 5, m_TextComment6->GetValue() );
 m_tb.SetComment( 6, m_TextComment7->GetValue() );
 m_tb.SetComment( 7, m_TextComment8->GetValue() );
 m_tb.SetComment( 8, m_TextComment9->GetValue() );

 m_parent->SetTitleBlock( m_tb );

 return onSavePageSettings();
}


void DIALOG_PAGES_SETTINGS::SetCurrentPageSizeSelection( const wxString& aPaperSize )
{
 // search all the not translated label list containing our paper type
 for( unsigned i = 0; i < m_pageFmt.GetCount(); ++i )
 {
 // parse each label looking for aPaperSize within it
  wxStringTokenizer st( m_pageFmt[i] );

 while( st.HasMoreTokens() )
 {
 if( st.GetNextToken() == aPaperSize )
 {
 m_paperSizeComboBox->SetSelection( i );
 return;
 }
 }
 }
}


void DIALOG_PAGES_SETTINGS::UpdateDrawingSheetExample()
{
 int lyWidth, lyHeight;

 wxSize clamped_layout_size( Clamp( MIN_PAGE_SIZE_MILS, m_layout_size.x, m_maxPageSizeMils.x ),
 Clamp( MIN_PAGE_SIZE_MILS, m_layout_size.y, m_maxPageSizeMils.y ) );

 double lyRatio = clamped_layout_size.x < clamped_layout_size.y ?
 (double) clamped_layout_size.y / clamped_layout_size.x :
 (double) clamped_layout_size.x / clamped_layout_size.y;

 if( clamped_layout_size.x < clamped_layout_size.y )
 {
 lyHeight = MAX_PAGE_EXAMPLE_SIZE;
 lyWidth = KiROUND( (double) lyHeight / lyRatio );
 }
 else
 {
 lyWidth = MAX_PAGE_EXAMPLE_SIZE;
 lyHeight = KiROUND( (double) lyWidth / lyRatio );
 }

 if( m_pageBitmap )
 {
 m_PageLayoutExampleBitmap->SetBitmap( wxNullBitmap );
 delete m_pageBitmap;
 }

 m_pageBitmap = new wxBitmap( lyWidth + 1, lyHeight + 1 );

 if( m_pageBitmap->IsOk() )
 {
 double scaleW = (double) lyWidth / clamped_layout_size.x;
 double scaleH = (double) lyHeight / clamped_layout_size.y;
 double scale = std::min( scaleW, scaleH );

 // Prepare DC.
 wxSize example_size( lyWidth + 1, lyHeight + 1 );
 wxMemoryDC memDC;
 memDC.SelectObject( *m_pageBitmap );
 memDC.SetClippingRegion( wxPoint( 0, 0 ), example_size );
 memDC.Clear();
 memDC.SetUserScale( scale, scale );

 // Get logical page size and margins.
 PAGE_INFO pageDUMMY;

 // Get page type
 int idx = m_paperSizeComboBox->GetSelection();

 if( idx < 0 )
 idx = 0;

 wxString pageFmtName = m_pageFmt[idx].BeforeFirst( ' ' );
 bool portrait = clamped_layout_size.x < clamped_layout_size.y;
 pageDUMMY.SetType( pageFmtName, portrait );

 if( m_customFmt )
 {
 pageDUMMY.SetWidthMils( clamped_layout_size.x );
 pageDUMMY.SetHeightMils( clamped_layout_size.y );
 }

 // Draw layout preview.
 KIGFX::DS_RENDER_SETTINGS renderSettings;
 COLOR_SETTINGS* colorSettings = m_parent->GetColorSettings();
 COLOR4D bgColor = m_parent->GetDrawBgColor();
 wxString emptyString;

 DS_DATA_MODEL::SetAltInstance( m_drawingSheet );
 {
 GRResetPenAndBrush( &memDC );
 renderSettings.SetDefaultPenWidth( 1 );
 renderSettings.LoadColors( colorSettings );
 renderSettings.SetPrintDC( &memDC );

 if( m_parent->IsType( FRAME_SCH )
 || m_parent->IsType( FRAME_SCH_SYMBOL_EDITOR )
 || m_parent->IsType( FRAME_SCH_VIEWER )
 || m_parent->IsType( FRAME_SCH_VIEWER_MODAL ) )
 {
 COLOR4D color = renderSettings.GetLayerColor( LAYER_SCHEMATIC_DRAWINGSHEET );
 renderSettings.SetLayerColor( LAYER_DRAWINGSHEET, color );
 }

 GRFilledRect( nullptr, &memDC, 0, 0, m_layout_size.x, m_layout_size.y, bgColor,
 bgColor );

 PrintDrawingSheet( &renderSettings, pageDUMMY, emptyString, emptyString, m_tb,
 m_screen->GetPageCount(), m_screen->GetPageNumber(), 1, &Prj(),
 wxEmptyString, m_screen->GetVirtualPageNumber() == 1 );

 memDC.SelectObject( wxNullBitmap );
 m_PageLayoutExampleBitmap->SetBitmap( *m_pageBitmap );
 }

 DS_DATA_MODEL::SetAltInstance( nullptr );

 // Refresh the dialog.
 Layout();
 Refresh();
 }
}


void DIALOG_PAGES_SETTINGS::GetPageLayoutInfoFromDialog()
{
 int idx = std::max( m_paperSizeComboBox->GetSelection(), 0 );
 const wxString paperType = m_pageFmt[idx];

 // here we assume translators will keep original paper size spellings
 if( paperType.Contains( PAGE_INFO::Custom ) )
 {
 GetCustomSizeMilsFromDialog();

 if( m_layout_size.x && m_layout_size.y )
 {
 if( m_layout_size.x < m_layout_size.y )
 m_orientationComboBox->SetStringSelection( _( "Portrait" ) );
 else
 m_orientationComboBox->SetStringSelection( _( "Landscape" ) );
 }
 }
 else
 {
 PAGE_INFO pageInfo; // SetType() later to lookup size

 static const wxChar* papers[] = {
 // longest common string first, since sequential search below
 PAGE_INFO::A5,
 PAGE_INFO::A4,
 PAGE_INFO::A3,
 PAGE_INFO::A2,
 PAGE_INFO::A1,
 PAGE_INFO::A0,
 PAGE_INFO::A,
 PAGE_INFO::B,
 PAGE_INFO::C,
 PAGE_INFO::D,
 PAGE_INFO::E,
 PAGE_INFO::USLetter,
 PAGE_INFO::USLegal,
 PAGE_INFO::USLedger,
 };

 unsigned i;

 for( i=0; i < arrayDim( papers ); ++i )
 {
 if( paperType.Contains( papers[i] ) )
 {
 pageInfo.SetType( papers[i] );
 break;
 }
 }

 wxASSERT( i != arrayDim(papers) ); // dialog UI match the above list?

 m_layout_size = pageInfo.GetSizeMils();

 // swap sizes to match orientation
 bool isPortrait = (bool) m_orientationComboBox->GetSelection();

 if( ( isPortrait && m_layout_size.x >= m_layout_size.y ) ||
 ( !isPortrait && m_layout_size.x < m_layout_size.y ) )
 {
 m_layout_size.Set( m_layout_size.y, m_layout_size.x );
 }
 }
}


void DIALOG_PAGES_SETTINGS::GetCustomSizeMilsFromDialog()
{
 double customSizeX = (double) m_customSizeX.GetValue() / m_iuPerMils;
 double customSizeY = (double) m_customSizeY.GetValue() / m_iuPerMils;

 // Prepare to painless double -> int conversion.
 customSizeX = Clamp( double( INT_MIN ), customSizeX, double( INT_MAX ) );
 customSizeY = Clamp( double( INT_MIN ), customSizeY, double( INT_MAX ) );
 m_layout_size = wxSize( KiROUND( customSizeX ), KiROUND( customSizeY ) );
}


void DIALOG_PAGES_SETTINGS::OnWksFileSelection( wxCommandEvent& event )
{
 wxFileName fn = GetWksFileName();
 wxString name = GetWksFileName();
 wxString path;

 if( fn.IsAbsolute() )
 {
 path = fn.GetPath();
 name = fn.GetFullName();
 }
 else
 {
 path = m_projectPath;
 }

 // Display a file picker dialog
 wxFileDialog fileDialog( this, _( "Select Drawing Sheet File" ), path, name,
 DrawingSheetFileWildcard(), wxFD_DEFAULT_STYLE|wxFD_FILE_MUST_EXIST );

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

 wxString fileName = fileDialog.GetPath();
 wxString shortFileName;

 // Try to use a project-relative path first:
 if( !m_projectPath.IsEmpty() && fileName.StartsWith( m_projectPath ) )
 {
 fn = wxFileName( fileName );
 fn.MakeRelativeTo( m_projectPath );
 shortFileName = fn.GetFullPath();
 }
 else
 {
 // Failing that see if we can shorten it with env vars:
 shortFileName = NormalizePath( fileName, &Pgm().GetLocalEnvVariables(), nullptr );
 }

 std::unique_ptr<DS_DATA_MODEL> ws = std::make_unique<DS_DATA_MODEL>();

 if( ws->LoadDrawingSheet( fileName ) )
 {
 delete m_drawingSheet;

 m_drawingSheet = ws.release();

 SetWksFileName( shortFileName );

 GetPageLayoutInfoFromDialog();
 UpdateDrawingSheetExample();
 }
}