symboleditorstate_drawcircle.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_SYMBOLEDITORSTATE_DRAWCIRCLE_H
#define LIBREPCB_EDITOR_SYMBOLEDITORSTATE_DRAWCIRCLE_H
 
/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include "symboleditorstate.h"
 
#include <librepcb/core/geometry/circle.h>
 
#include <QtCore>
 
#include <memory>
 
/*******************************************************************************
 *  Namespace / Forward Declarations
 ******************************************************************************/
namespace librepcb {
namespace editor {
 
class CircleGraphicsItem;
class CmdCircleEdit;
 
/*******************************************************************************
 *  Class SymbolEditorState_DrawCircle
 ******************************************************************************/
 
class SymbolEditorState_DrawCircle final : public SymbolEditorState {
  Q_OBJECT
 
public:
  // Constructors / Destructor
  SymbolEditorState_DrawCircle() = delete;
  SymbolEditorState_DrawCircle(const SymbolEditorState_DrawCircle& other) =
      delete;
  explicit SymbolEditorState_DrawCircle(const Context& context) noexcept;
  ~SymbolEditorState_DrawCircle() noexcept;
 
  // General Methods
  bool entry() noexcept override;
  bool exit() noexcept override;
 
  // Event Handlers
  bool processGraphicsSceneMouseMoved(
      const GraphicsSceneMouseEvent& e) noexcept override;
  bool processGraphicsSceneLeftMouseButtonPressed(
      const GraphicsSceneMouseEvent& e) noexcept override;
  bool processAbortCommand() noexcept override;
 
  // Connection to UI
  QSet<const Layer*> getAvailableLayers() const noexcept;
  const Layer& getLayer() const noexcept {
    return mCurrentProperties.getLayer();
  }
  void setLayer(const Layer& layer) noexcept;
  const UnsignedLength& getLineWidth() const noexcept {
    return mCurrentProperties.getLineWidth();
  }
  void setLineWidth(const UnsignedLength& width) noexcept;
  bool getFilled() const noexcept { return mCurrentProperties.isFilled(); }
  void setFilled(bool filled) noexcept;
  bool getGrabArea() const noexcept { return mCurrentProperties.isGrabArea(); }
  void setGrabArea(bool grabArea) noexcept;
 
  // Operator Overloadings
  SymbolEditorState_DrawCircle& operator=(
      const SymbolEditorState_DrawCircle& rhs) = delete;
 
signals:
  void layerChanged(const Layer& layer);
  void lineWidthChanged(const UnsignedLength& width);
  void filledChanged(bool filled);
  void grabAreaChanged(bool grabArea);
 
private:  // Methods
  bool startAddCircle(const Point& pos) noexcept;
  bool updateCircleDiameter(const Point& pos) noexcept;
  bool finishAddCircle(const Point& pos) noexcept;
  bool abortAddCircle() noexcept;
 
private:
  Circle mCurrentProperties;
 
  std::unique_ptr<CmdCircleEdit> mCurrentEditCmd;
  std::shared_ptr<Circle> mCurrentCircle;
  std::shared_ptr<CircleGraphicsItem> mCurrentGraphicsItem;
};
 
/*******************************************************************************
 *  End of File
 ******************************************************************************/
 
}  // namespace editor
}  // namespace librepcb
 
#endif