ee_tool_base.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright (C) 2019-2021 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
 */

#ifndef EE_TOOL_BASE_H
#define EE_TOOL_BASE_H

#include <math/vector2d.h>
#include <tool/tool_event.h>
#include <tool/tool_interactive.h>
#include <tool/tool_manager.h>
#include <tool/tool_menu.h>
#include <tool/actions.h>
#include <tools/ee_selection_tool.h>
#include <sch_view.h>
#include <sch_edit_frame.h>
#include <symbol_edit_frame.h>
#include <undo_redo_container.h>


class EE_SELECTION;

template <class T>
class EE_TOOL_BASE : public TOOL_INTERACTIVE
{
public:
 EE_TOOL_BASE( const std::string& aName ) :
 TOOL_INTERACTIVE ( aName ),
 m_frame( nullptr ),
 m_view( nullptr ),
 m_selectionTool( nullptr ),
 m_isSymbolEditor( false )
 {};

 ~EE_TOOL_BASE() override {};

 bool Init() override
 {
 m_frame = getEditFrame<T>();
 m_selectionTool = m_toolMgr->GetTool<EE_SELECTION_TOOL>();
 m_isSymbolEditor = m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR );

 // A basic context menu. Many (but not all) tools will choose to override this.
 auto& ctxMenu = m_menu.GetMenu();

 // cancel current tool goes in main context menu at the top if present
 ctxMenu.AddItem( ACTIONS::cancelInteractive, SELECTION_CONDITIONS::ShowAlways, 1 );
 ctxMenu.AddSeparator( 1 );

 // Finally, add the standard zoom/grid items
 m_frame->AddStandardSubMenus( m_menu );

 return true;
 }

 void Reset( RESET_REASON aReason ) override
 {
 if( aReason == MODEL_RELOAD )
 {
 // Init variables used by every drawing tool
 m_frame = getEditFrame<T>();
 m_isSymbolEditor = dynamic_cast<SYMBOL_EDIT_FRAME*>( m_frame ) != nullptr;
 }

 m_view = static_cast<KIGFX::SCH_VIEW*>( getView() );
 }

protected:
 void updateItem( EDA_ITEM* aItem, bool aUpdateRTree ) const
 {
 switch( aItem->Type() )
 {
 case SCH_SHEET_PIN_T:
 getView()->Update( aItem );
 getView()->Update( aItem->GetParent() );

 // Moving sheet pins does not change the BBox.
 break;

 case SCH_PIN_T:
 case SCH_FIELD_T:
 getView()->Update( aItem );
 getView()->Update( aItem->GetParent() );

 if( aUpdateRTree )
 m_frame->GetScreen()->Update( static_cast<SCH_ITEM*>( aItem->GetParent() ) );

 break;

 default:
 getView()->Update( aItem );

 if( aUpdateRTree )
 m_frame->GetScreen()->Update( static_cast<SCH_ITEM*>( aItem ) );
 }
 }

 void saveCopyInUndoList( EDA_ITEM* aItem, UNDO_REDO aType, bool aAppend = false )
 {
 KICAD_T itemType = aItem->Type();
 bool selected = aItem->IsSelected();

 // IS_SELECTED flag should not be set on undo items which were added for
 // a drag operation.
 if( selected && aItem->HasFlag( TEMP_SELECTED ) )
 aItem->ClearSelected();

 if( m_isSymbolEditor )
 {
 SYMBOL_EDIT_FRAME* editFrame = dynamic_cast<SYMBOL_EDIT_FRAME*>( m_frame );
 wxASSERT( editFrame );

 editFrame->SaveCopyInUndoList( static_cast<LIB_ITEM*>( aItem ), aType, aAppend );
 }
 else
 {
 SCH_EDIT_FRAME* editFrame = dynamic_cast<SCH_EDIT_FRAME*>( m_frame );
 wxASSERT( editFrame );

 if( itemType == SCH_PIN_T || itemType == SCH_FIELD_T || itemType == SCH_SHEET_PIN_T )
 {
 editFrame->SaveCopyInUndoList( editFrame->GetScreen(),
 static_cast<SCH_ITEM*>( aItem->GetParent() ),
 UNDO_REDO::CHANGED, aAppend );
 }
 else
 {
 editFrame->SaveCopyInUndoList( editFrame->GetScreen(),
 static_cast<SCH_ITEM*>( aItem ),
 aType, aAppend );
 }
 }

 if( selected && aItem->HasFlag( TEMP_SELECTED ) )
 aItem->SetSelected();
 }

protected:
 T* m_frame;
 KIGFX::SCH_VIEW* m_view;
 EE_SELECTION_TOOL* m_selectionTool;
 bool m_isSymbolEditor;
};


// For LibEdit
inline VECTOR2I mapCoords( const wxPoint& aCoord )
{
 return VECTOR2I( aCoord.x, -aCoord.y );
}

inline wxPoint mapCoords( const VECTOR2I& aCoord )
{
 return wxPoint( aCoord.x, -aCoord.y );
}

inline wxPoint mapCoords( const int x, const int y )
{
 return wxPoint( x, -y );
}

#endif