kicad/include/pcb_group.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 Joshua Redstone redstone at gmail.com
* Copyright (C) 1992-2020 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
*/
/**
* @file class_pcb_group.h
* @brief Class to handle a set of BOARD_ITEMs.
*/
#ifndef CLASS_PCB_GROUP_H_
#define CLASS_PCB_GROUP_H_
#include <board_commit.h>
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#include <board_item.h>
#include <unordered_set>
namespace KIGFX
{
class VIEW;
}
/**
* PCB_GROUP is a set of BOARD_ITEMs (i.e., without duplicates)
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*
* The group parent is always board, not logical parent group. The group is transparent
* container - e.g., its position is derived from the position of its members. A selection
* containing a group implicitly contains its members. However other operations on sets of
* items, like committing, updating the view, etc the set is explicit.
*/
class PCB_GROUP : public BOARD_ITEM
{
public:
PCB_GROUP( BOARD_ITEM* aParent );
static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && PCB_GROUP_T == aItem->Type();
}
wxString GetClass() const override
{
return wxT( "PCB_GROUP" );
}
wxString GetName() const { return m_name; }
void SetName( wxString aName ) { m_name = aName; }
const std::unordered_set<BOARD_ITEM*>& GetItems() const
{
return m_items;
}
/**
* Adds item to group. Does not take ownership of item.
*
* @return true if item was added (false if item belongs to a different group).
*/
bool AddItem( BOARD_ITEM* aItem );
/**
* Removes item from group.
*
* @return true if item was removed (false if item was not in the group).
*/
bool RemoveItem( BOARD_ITEM* aItem );
void RemoveAll();
/*
* Searches for highest level group containing item.
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*
* @param scope restricts the search to groups within the group scope.
* @return group containing item, if it exists, otherwise, NULL
*/
static PCB_GROUP* TopLevelGroup( BOARD_ITEM* item, PCB_GROUP* scope );
static bool WithinScope( BOARD_ITEM* item, PCB_GROUP* scope );
#if defined( DEBUG )
void Show( int nestLevel, std::ostream& os ) const override
{
ShowDummy( os );
}
#endif
///> @copydoc EDA_ITEM::GetPosition
wxPoint GetPosition() const override;
///> @copydoc EDA_ITEM::SetPosition
void SetPosition( const wxPoint& aNewpos ) override;
///> @copydoc BOARD_ITEM::GetLayerSet
LSET GetLayerSet() const override;
///> @copydoc BOARD_ITEM::SetLayer
void SetLayer( PCB_LAYER_ID aLayer ) override
{
wxFAIL_MSG( "groups don't support layer SetLayer" );
}
///> @copydoc EDA_ITEM::Clone
EDA_ITEM* Clone() const override;
/*
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* Clone() this and all descendants
*/
PCB_GROUP* DeepClone() const;
/*
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* Duplicate() this and all descendants
*/
PCB_GROUP* DeepDuplicate() const;
///> @copydoc BOARD_ITEM::SwapData
void SwapData( BOARD_ITEM* aImage ) override;
///> @copydoc BOARD_ITEM::IsOnLayer
bool IsOnLayer( PCB_LAYER_ID aLayer ) const override;
///> @copydoc EDA_ITEM::HitTest
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
///> @copydoc EDA_ITEM::HitTest
bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
///> @copydoc EDA_ITEM::GetBoundingBox
const EDA_RECT GetBoundingBox() const override;
///> @copydoc EDA_ITEM::Visit
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SEARCH_RESULT Visit( INSPECTOR aInspector, void* aTestData,
const KICAD_T aScanTypes[] ) override;
///> @copydoc VIEW_ITEM::ViewGetLayers
void ViewGetLayers( int aLayers[], int& aCount ) const override;
///> @copydoc VIEW_ITEM::ViewGetLOD
double ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;
///> @copydoc BOARD_ITEM::Move
void Move( const wxPoint& aMoveVector ) override;
///> @copydoc BOARD_ITEM::Rotate
void Rotate( const wxPoint& aRotCentre, double aAngle ) override;
///> @copydoc BOARD_ITEM::Flip
void Flip( const wxPoint& aCentre, bool aFlipLeftRight ) override;
///> @copydoc EDA_ITEM::GetSelectMenuText
wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
///> @copydoc EDA_ITEM::GetMenuImage
BITMAP_DEF GetMenuImage() const override;
///> @copydoc EDA_ITEM::GetMsgPanelInfo
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
/**
* Invokes a function on all members of the group.
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*
* @note This function should not add or remove items to the group.
*
* @param aFunction is the function to be invoked.
*/
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void RunOnChildren( const std::function<void ( BOARD_ITEM* )>& aFunction ) const;
/**
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* Invokes a function on all descendants of the group.
*
* @note This function should not add or remove items to the group or descendant groups.
* @param aFunction is the function to be invoked.
*/
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void RunOnDescendants( const std::function<void( BOARD_ITEM* )>& aFunction ) const;
private:
std::unordered_set<BOARD_ITEM*> m_items; // Members of the group
wxString m_name; // Optional group name
};
#endif // CLASS_PCB_GROUP_H_