kicad_clipboard.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017 KiCad Developers, see AUTHORS.TXT for contributors.
 * Copyright (C) 2017-2023 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Kristoffer Ödmark
 *
 * 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 <wx/clipbrd.h>
#include <wx/log.h>
 
#include <board.h>
#include <build_version.h>
#include <core/ignore.h>
#include <pad.h>
#include <pcb_group.h>
#include <pcb_generator.h>
#include <pcb_text.h>
#include <pcb_table.h>
#include <zone.h>
#include <locale_io.h>
#include <pcb_io/kicad_sexpr/pcb_io_kicad_sexpr.h>
#include <pcb_io/kicad_sexpr/pcb_io_kicad_sexpr_parser.h>
#include <kicad_clipboard.h>
#include "confirm.h"
 
CLIPBOARD_IO::CLIPBOARD_IO():
 PCB_IO_KICAD_SEXPR(CTL_FOR_CLIPBOARD ),
 m_formatter()
{
 m_out = &m_formatter;
}
 
 
CLIPBOARD_IO::~CLIPBOARD_IO()
{
}
 
 
void CLIPBOARD_IO::SetBoard( BOARD* aBoard )
{
 m_board = aBoard;
}
 
 
void CLIPBOARD_IO::SaveSelection( const PCB_SELECTION& aSelected, bool isFootprintEditor )
{
 VECTOR2I refPoint( 0, 0 );
 
 // dont even start if the selection is empty
 if( aSelected.Empty() )
 return;
 
 if( aSelected.HasReferencePoint() )
 refPoint = aSelected.GetReferencePoint();
 
 // Prepare net mapping that assures that net codes saved in a file are consecutive integers
 m_mapping->SetBoard( m_board );
 
 auto deleteUnselectedCells =
 []( PCB_TABLE* aTable )
 {
 int minCol = aTable->GetColCount();
 int maxCol = -1;
 int minRow = aTable->GetRowCount();
 int maxRow = -1;
 
 for( int row = 0; row < aTable->GetRowCount(); ++row )
 {
 for( int col = 0; col < aTable->GetColCount(); ++col )
 {
 PCB_TABLECELL* cell = aTable->GetCell( row, col );
 
 if( cell->IsSelected() )
 {
 minRow = std::min( minRow, row );
 maxRow = std::max( maxRow, row );
 minCol = std::min( minCol, col );
 maxCol = std::max( maxCol, col );
 }
 else
 {
 cell->SetFlags( STRUCT_DELETED );
 }
 }
 }
 
 wxCHECK_MSG( maxCol >= minCol && maxRow >= minRow, /*void*/,
 wxT( "No selected cells!" ) );
 
 // aTable is always a clone in the clipboard case
 int destRow = 0;
 
 for( int row = minRow; row <= maxRow; row++ )
 aTable->SetRowHeight( destRow++, aTable->GetRowHeight( row ) );
 
 int destCol = 0;
 
 for( int col = minCol; col <= maxCol; col++ )
 aTable->SetColWidth( destCol++, aTable->GetColWidth( col ) );
 
 aTable->DeleteMarkedCells();
 aTable->SetColCount( ( maxCol - minCol ) + 1 );
 aTable->Normalize();
 };
 
 std::set<PCB_TABLE*> promotedTables;
 
 auto parentIsPromoted =
 [&]( PCB_TABLECELL* cell ) -> bool
 {
 for( PCB_TABLE* table : promotedTables )
 {
 if( table->m_Uuid == cell->GetParent()->m_Uuid )
 return true;
 }
 
 return false;
 };
 
 if( aSelected.Size() == 1 && aSelected.Front()->Type() == PCB_FOOTPRINT_T )
 {
 // make the footprint safe to transfer to other pcbs
 const FOOTPRINT* footprint = static_cast<FOOTPRINT*>( aSelected.Front() );
 // Do not modify existing board
 FOOTPRINT newFootprint( *footprint );
 
 for( PAD* pad : newFootprint.Pads() )
 pad->SetNetCode( 0 );
 
 // locked means "locked in place"; copied items therefore can't be locked
 newFootprint.SetLocked( false );
 
 // locate the reference point at (0, 0) in the copied items
 newFootprint.Move( VECTOR2I( -refPoint.x, -refPoint.y ) );
 
 Format( static_cast<BOARD_ITEM*>( &newFootprint ) );
 
 newFootprint.SetParent( nullptr );
 newFootprint.SetParentGroup( nullptr );
 }
 else if( isFootprintEditor )
 {
 FOOTPRINT partialFootprint( m_board );
 
 // Useful to copy the selection to the board editor (if any), and provides
 // a dummy lib id.
 // Perhaps not a good Id, but better than a empty id
 KIID dummy;
 LIB_ID id( "clipboard", dummy.AsString() );
 partialFootprint.SetFPID( id );
 
 for( EDA_ITEM* item : aSelected )
 {
 BOARD_ITEM* boardItem = dynamic_cast<BOARD_ITEM*>( item );
 BOARD_ITEM* copy = nullptr;
 
 wxCHECK2( boardItem, continue );
 
 if( PCB_FIELD* field = dynamic_cast<PCB_FIELD*>( item ) )
 {
 if( field->IsMandatoryField() )
 continue;
 }
 
 if( boardItem->Type() == PCB_GROUP_T )
 {
 copy = static_cast<PCB_GROUP*>( boardItem )->DeepClone();
 }
 else if( boardItem->Type() == PCB_GENERATOR_T )
 {
 copy = static_cast<PCB_GENERATOR*>( boardItem )->DeepClone();
 }
 else if( item->Type() == PCB_TABLECELL_T )
 {
 if( parentIsPromoted( static_cast<PCB_TABLECELL*>( item ) ) )
 continue;
 
 copy = static_cast<BOARD_ITEM*>( item->GetParent()->Clone() );
 promotedTables.insert( static_cast<PCB_TABLE*>( copy ) );
 }
 else
 {
 copy = static_cast<BOARD_ITEM*>( boardItem->Clone() );
 }
 
 // If it is only a footprint, clear the nets from the pads
 if( PAD* pad = dynamic_cast<PAD*>( copy ) )
 pad->SetNetCode( 0 );
 
 // Don't copy group membership information for the 1st level objects being copied
 // since the group they belong to isn't being copied.
 copy->SetParentGroup( nullptr );
 
 // Add the pad to the new footprint before moving to ensure the local coords are
 // correct
 partialFootprint.Add( copy );
 
 // A list of not added items, when adding items to the footprint
 // some PCB_TEXT (reference and value) cannot be added to the footprint
 std::vector<BOARD_ITEM*> skipped_items;
 
 if( copy->Type() == PCB_GROUP_T || copy->Type() == PCB_GENERATOR_T )
 {
 copy->RunOnDescendants(
 [&]( BOARD_ITEM* descendant )
 {
 // One cannot add an additional mandatory field to a given footprint:
 // only one is allowed. So add only non-mandatory fields.
 bool can_add = true;
 
 if( const PCB_FIELD* field = dynamic_cast<const PCB_FIELD*>( item ) )
 {
 if( field->IsMandatoryField() )
 can_add = false;
 }
 
 if( can_add )
 partialFootprint.Add( descendant );
 else
 skipped_items.push_back( descendant );
 } );
 }
 
 // locate the reference point at (0, 0) in the copied items
 copy->Move( -refPoint );
 
 // Now delete items, duplicated but not added:
 for( BOARD_ITEM* skipped_item : skipped_items )
 {
 static_cast<PCB_GROUP*>( copy )->RemoveItem( skipped_item );
 skipped_item->SetParentGroup( nullptr );
 delete skipped_item;
 }
 }
 
 // Set the new relative internal local coordinates of copied items
 FOOTPRINT* editedFootprint = m_board->Footprints().front();
 VECTOR2I moveVector = partialFootprint.GetPosition() + editedFootprint->GetPosition();
 
 partialFootprint.MoveAnchorPosition( moveVector );
 
 for( PCB_TABLE* table : promotedTables )
 deleteUnselectedCells( table );
 
 Format( &partialFootprint, 0 );
 
 partialFootprint.SetParent( nullptr );
 }
 else
 {
 // we will fake being a .kicad_pcb to get the full parser kicking
 // This means we also need layers and nets
 LOCALE_IO io;
 
 m_formatter.Print( 0, "(kicad_pcb (version %d) (generator \"pcbnew\") (generator_version \"%s\")\n",
 SEXPR_BOARD_FILE_VERSION, GetMajorMinorVersion().c_str().AsChar() );
 
 m_formatter.Print( 0, "\n" );
 
 formatBoardLayers( m_board );
 formatNetInformation( m_board );
 
 m_formatter.Print( 0, "\n" );
 
 for( EDA_ITEM* item : aSelected )
 {
 BOARD_ITEM* boardItem = dynamic_cast<BOARD_ITEM*>( item );
 BOARD_ITEM* copy = nullptr;
 
 wxCHECK2( boardItem, continue );
 
 if( boardItem->Type() == PCB_FIELD_T || boardItem->Type() == PCB_TEXT_T )
 {
 copy = static_cast<BOARD_ITEM*>( boardItem->Clone() );
 
 PCB_TEXT* textItem = static_cast<PCB_TEXT*>( copy );
 
 if( textItem->GetText() == wxT( "${VALUE}" ) )
 textItem->SetText( boardItem->GetParentFootprint()->GetValue() );
 else if( textItem->GetText() == wxT( "${REFERENCE}" ) )
 textItem->SetText( boardItem->GetParentFootprint()->GetReference() );
 }
 else if( boardItem->Type() == PCB_GROUP_T )
 {
 copy = static_cast<PCB_GROUP*>( boardItem )->DeepClone();
 }
 else if( boardItem->Type() == PCB_GENERATOR_T )
 {
 copy = static_cast<PCB_GENERATOR*>( boardItem )->DeepClone();
 }
 else if( item->Type() == PCB_TABLECELL_T )
 {
 if( parentIsPromoted( static_cast<PCB_TABLECELL*>( item ) ) )
 continue;
 
 copy = static_cast<BOARD_ITEM*>( item->GetParent()->Clone() );
 promotedTables.insert( static_cast<PCB_TABLE*>( copy ) );
 }
 else
 {
 copy = static_cast<BOARD_ITEM*>( boardItem->Clone() );
 }
 
 if( copy )
 {
 if( copy->Type() == PCB_FIELD_T || copy->Type() == PCB_PAD_T )
 {
 // Create a parent footprint to own the copied item
 FOOTPRINT* footprint = new FOOTPRINT( m_board );
 
 footprint->SetPosition( copy->GetPosition() );
 footprint->Add( copy );
 
 // Convert any mandatory fields to user fields. The destination footprint
 // will already have its own mandatory fields.
 if( PCB_FIELD* field = dynamic_cast<PCB_FIELD*>( copy ) )
 {
 if( field->IsMandatoryField() )
 field->SetId( footprint->GetFieldCount() );
 }
 
 copy = footprint;
 }
 
 copy->SetLocked( false );
 
 // locate the reference point at (0, 0) in the copied items
 copy->Move( -refPoint );
 
 if( copy->Type() == PCB_TABLE_T )
 {
 PCB_TABLE* table = static_cast<PCB_TABLE*>( copy );
 
 if( promotedTables.count( table ) )
 deleteUnselectedCells( table );
 }
 
 Format( copy, 1 );
 
 if( copy->Type() == PCB_GROUP_T || copy->Type() == PCB_GENERATOR_T )
 {
 copy->RunOnDescendants(
 [&]( BOARD_ITEM* descendant )
 {
 descendant->SetLocked( false );
 Format( descendant, 1 );
 } );
 }
 
 copy->SetParentGroup( nullptr );
 delete copy;
 }
 }
 
 m_formatter.Print( 0, "\n)" );
 }
 
 // These are placed at the end to minimize the open time of the clipboard
 wxLogNull doNotLog; // disable logging of failed clipboard actions
 auto clipboard = wxTheClipboard;
 wxClipboardLocker clipboardLock( clipboard );
 
 if( !clipboardLock || !clipboard->IsOpened() )
 return;
 
 clipboard->SetData( new wxTextDataObject( wxString( m_formatter.GetString().c_str(),
 wxConvUTF8 ) ) );
 
 clipboard->Flush();
 
 #ifndef __WXOSX__
 // This section exists to return the clipboard data, ensuring it has fully
 // been processed by the system clipboard. This appears to be needed for
 // extremely large clipboard copies on asynchronous linux clipboard managers
 // such as KDE's Klipper. However, a read back of the data on OSX before the
 // clipboard is closed seems to cause an ASAN error (heap-buffer-overflow)
 // since it uses the cached version of the clipboard data and not the system
 // clipboard data.
 if( clipboard->IsSupported( wxDF_TEXT ) || clipboard->IsSupported( wxDF_UNICODETEXT ) )
 {
 wxTextDataObject data;
 clipboard->GetData( data );
 ignore_unused( data.GetText() );
 }
 #endif
}
 
 
BOARD_ITEM* CLIPBOARD_IO::Parse()
{
 BOARD_ITEM* item;
 wxString result;
 
 wxLogNull doNotLog; // disable logging of failed clipboard actions
 
 auto clipboard = wxTheClipboard;
 wxClipboardLocker clipboardLock( clipboard );
 
 if( !clipboardLock )
 return nullptr;
 
 if( clipboard->IsSupported( wxDF_TEXT ) || clipboard->IsSupported( wxDF_UNICODETEXT ) )
 {
 wxTextDataObject data;
 clipboard->GetData( data );
 result = data.GetText();
 }
 
 try
 {
 item = PCB_IO_KICAD_SEXPR::Parse( result );
 }
 catch (...)
 {
 item = nullptr;
 }
 
 return item;
}
 
 
void CLIPBOARD_IO::SaveBoard( const wxString& aFileName, BOARD* aBoard,
 const STRING_UTF8_MAP* aProperties )
{
 init( aProperties );
 
 m_board = aBoard; // after init()
 
 // Prepare net mapping that assures that net codes saved in a file are consecutive integers
 m_mapping->SetBoard( aBoard );
 
 STRING_FORMATTER formatter;
 
 m_out = &formatter;
 
 m_out->Print( 0, "(kicad_pcb (version %d) (generator \"pcbnew\") (generator_version \"%s\")\n", SEXPR_BOARD_FILE_VERSION, GetMajorMinorVersion().c_str().AsChar() );
 
 Format( aBoard, 1 );
 
 m_out->Print( 0, ")\n" );
 
 wxLogNull doNotLog; // disable logging of failed clipboard actions
 
 auto clipboard = wxTheClipboard;
 wxClipboardLocker clipboardLock( clipboard );
 
 if( !clipboardLock )
 return;
 
 clipboard->SetData( new wxTextDataObject(
 wxString( m_formatter.GetString().c_str(), wxConvUTF8 ) ) );
 clipboard->Flush();
 
 // This section exists to return the clipboard data, ensuring it has fully
 // been processed by the system clipboard. This appears to be needed for
 // extremely large clipboard copies on asynchronous linux clipboard managers
 // such as KDE's Klipper
 if( clipboard->IsSupported( wxDF_TEXT ) || clipboard->IsSupported( wxDF_UNICODETEXT ) )
 {
 wxTextDataObject data;
 clipboard->GetData( data );
 ignore_unused( data.GetText() );
 }
}
 
 
BOARD* CLIPBOARD_IO::LoadBoard( const wxString& aFileName, BOARD* aAppendToMe,
 const STRING_UTF8_MAP* aProperties, PROJECT* aProject )
{
 std::string result;
 
 wxLogNull doNotLog; // disable logging of failed clipboard actions
 
 auto clipboard = wxTheClipboard;
 wxClipboardLocker clipboardLock( clipboard );
 
 if( !clipboardLock )
 return nullptr;
 
 if( clipboard->IsSupported( wxDF_TEXT ) || clipboard->IsSupported( wxDF_UNICODETEXT ) )
 {
 wxTextDataObject data;
 clipboard->GetData( data );
 
 result = data.GetText().mb_str();
 }
 
 std::function<bool( wxString, int, wxString, wxString )> queryUser =
 [&]( wxString aTitle, int aIcon, wxString aMessage, wxString aAction ) -> bool
 {
 KIDIALOG dlg( nullptr, aMessage, aTitle, wxOK | wxCANCEL | aIcon );
 
 if( !aAction.IsEmpty() )
 dlg.SetOKLabel( aAction );
 
 dlg.DoNotShowCheckbox( aMessage, 0 );
 
 return dlg.ShowModal() == wxID_OK;
 };
 
 STRING_LINE_READER reader( result, wxT( "clipboard" ) );
 PCB_IO_KICAD_SEXPR_PARSER parser( &reader, aAppendToMe, queryUser );
 
 init( aProperties );
 
 BOARD_ITEM* item;
 BOARD* board;
 
 try
 {
 item = parser.Parse();
 }
 catch( const FUTURE_FORMAT_ERROR& )
 {
 // Don't wrap a FUTURE_FORMAT_ERROR in another
 throw;
 }
 catch( const PARSE_ERROR& parse_error )
 {
 if( parser.IsTooRecent() )
 throw FUTURE_FORMAT_ERROR( parse_error, parser.GetRequiredVersion() );
 else
 throw;
 }
 
 if( item->Type() != PCB_T )
 {
 // The parser loaded something that was valid, but wasn't a board.
 THROW_PARSE_ERROR( _( "Clipboard content is not KiCad compatible" ), parser.CurSource(),
 parser.CurLine(), parser.CurLineNumber(), parser.CurOffset() );
 }
 else
 {
 board = dynamic_cast<BOARD*>( item );
 }
 
 // Give the filename to the board if it's new
 if( board && !aAppendToMe )
 board->SetFileName( aFileName );
 
 return board;
}