symbolpingraphicsitem.h

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/*
 * LibrePCB - Professional EDA for everyone!
 * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
 * https://librepcb.org/
 *
 * 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/>.
 */
 
#ifndef LIBREPCB_EDITOR_SYMBOLPINGRAPHICSITEM_H
#define LIBREPCB_EDITOR_SYMBOLPINGRAPHICSITEM_H
 
/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include <librepcb/core/library/cmp/component.h>
#include <librepcb/core/library/sym/symbolpin.h>
 
#include <QtCore>
#include <QtWidgets>
 
/*******************************************************************************
 *  Namespace / Forward Declarations
 ******************************************************************************/
namespace librepcb {
namespace editor {
 
class GraphicsLayerList;
class LineGraphicsItem;
class PrimitiveCircleGraphicsItem;
class PrimitiveTextGraphicsItem;
 
/*******************************************************************************
 *  Class SymbolPinGraphicsItem
 ******************************************************************************/
 
class SymbolPinGraphicsItem final : public QGraphicsItemGroup {
public:
  // Constructors / Destructor
  SymbolPinGraphicsItem() = delete;
  SymbolPinGraphicsItem(const SymbolPinGraphicsItem& other) = delete;
  SymbolPinGraphicsItem(
      std::shared_ptr<SymbolPin> pin, const GraphicsLayerList& layers,
      QPointer<const Component> cmp,
      std::shared_ptr<const ComponentSymbolVariantItem> cmpItem,
      bool hideIfUnused, QGraphicsItem* parent = nullptr) noexcept;
  ~SymbolPinGraphicsItem() noexcept;
 
  // Getters
  SymbolPin& getObj() noexcept { return *mPin; }
  const std::shared_ptr<SymbolPin>& getPtr() noexcept { return mPin; }
 
  // General Methods
  void updateText() noexcept;
 
  // Inherited from QGraphicsItem
  QPainterPath shape() const noexcept override;
 
  // Operator Overloadings
  SymbolPinGraphicsItem& operator=(const SymbolPinGraphicsItem& rhs) = delete;
 
private:  // Methods
  void pinEdited(const SymbolPin& pin, SymbolPin::Event event) noexcept;
  virtual QVariant itemChange(GraphicsItemChange change,
                              const QVariant& value) noexcept override;
  void setLength(const UnsignedLength& length) noexcept;
  void updateNamePosition() noexcept;
  void updateNumbersTransform() noexcept;
 
private:  // Data
  std::shared_ptr<SymbolPin> mPin;
  const GraphicsLayerList& mLayers;
  QPointer<const Component> mComponent;  // Can be nullptr.
  std::shared_ptr<const ComponentSymbolVariantItem> mItem;  // Can be nullptr.
  const bool mHideIfUnused;
  QScopedPointer<PrimitiveCircleGraphicsItem> mCircleGraphicsItem;
  QScopedPointer<LineGraphicsItem> mLineGraphicsItem;
  QScopedPointer<PrimitiveTextGraphicsItem> mNameGraphicsItem;
  QScopedPointer<PrimitiveTextGraphicsItem> mNumbersGraphicsItem;
 
  // Slots
  SymbolPin::OnEditedSlot mOnEditedSlot;
};
 
/*******************************************************************************
 *  End of File
 ******************************************************************************/
 
}  // namespace editor
}  // namespace librepcb
 
#endif